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7.5
HIGH CVSS 3.1
CVE-2025-6599
Zyxel DX3301-T0 Slowloris-Style Denial-of-Service Vulnerability
Description

An uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an attacker to perform Slowloris‑style denial‑of‑service (DoS) attacks. Such attacks may temporarily block legitimate HTTP requests and partially disrupt access to the web management interface, while other networking services remain unaffected.

INFO

Published Date :

Nov. 18, 2025, 2:15 a.m.

Last Modified :

Dec. 16, 2025, 9:19 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-6599 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Zyxel nebula_fwa510_firmware
2 Zyxel nebula_fwa710_firmware
3 Zyxel nr5103_firmware
4 Zyxel nr5103e_firmware
5 Zyxel dx3301-t0_firmware
6 Zyxel dx4510-b1_firmware
7 Zyxel dx5401-b0_firmware
8 Zyxel emg3525-t50b_firmware
9 Zyxel emg5523-t50b_firmware
10 Zyxel emg5723-t50k_firmware
11 Zyxel ex3301-t0_firmware
12 Zyxel ex5401-b0_firmware
13 Zyxel ex5501-b0_firmware
14 Zyxel ex5510-b0_firmware
15 Zyxel ex5512-t0_firmware
16 Zyxel ex5601-t0_firmware
17 Zyxel ex5601-t1_firmware
18 Zyxel vmg3927-t50k_firmware
19 Zyxel vmg4005-b50a_firmware
20 Zyxel vmg4005-b60a_firmware
21 Zyxel vmg8623-t50b_firmware
22 Zyxel vmg8825-t50k_firmware
23 Zyxel ax7501-b0_firmware
24 Zyxel pm3100-t0_firmware
25 Zyxel pm5100-t0_firmware
26 Zyxel pm7300-t0_firmware
27 Zyxel wx3100-t0_firmware
28 Zyxel wx3401-b0_firmware
29 Zyxel wx5600-t0_firmware
30 Zyxel lte3301-plus_firmware
31 Zyxel vmg3625-t50b_firmware
32 Zyxel emg6726-b10a_firmware
33 Zyxel vmg3927-b50b_firmware
34 Zyxel vmg4927-b50a_firmware
35 Zyxel nebula_fwa505_firmware
36 Zyxel nebula_fwa505
37 Zyxel nebula_fwa710
38 Zyxel nebula_fwa510
39 Zyxel wx5600-t0
40 Zyxel wx3401-b0
41 Zyxel wx3100-t0
42 Zyxel px3321-t1_firmware
43 Zyxel px3321-t1
44 Zyxel pm7300-t0
45 Zyxel pm5100-t0
46 Zyxel pm3100-t0
47 Zyxel ax7501-b1_firmware
48 Zyxel ax7501-b1
49 Zyxel ax7501-b0
50 Zyxel vmg8825-t50k
51 Zyxel vmg8623-t50b
52 Zyxel vmg4005-b60a
53 Zyxel vmg4005-b50a
54 Zyxel vmg3927-t50k
55 Zyxel vmg3625-t50b
56 Zyxel emg5723-t50k
57 Zyxel emg5523-t50b
58 Zyxel emg3525-t50b
59 Zyxel ex7710-b0_firmware
60 Zyxel ex7710-b0
61 Zyxel ex7501-b0_firmware
62 Zyxel ex7501-b0
63 Zyxel ex5601-t1
64 Zyxel ex5601-t0
65 Zyxel ex5512-t0
66 Zyxel ex5510-b0
67 Zyxel ex5401-b1_firmware
68 Zyxel ex5401-b1
69 Zyxel ex5401-b0
70 Zyxel ex3501-t0_firmware
71 Zyxel ex3501-t0
72 Zyxel ex3500-t0_firmware
73 Zyxel ex3500-t0
74 Zyxel ex3301-t0
75 Zyxel ex3300-t1_firmware
76 Zyxel ex3300-t1
77 Zyxel ex3300-t0_firmware
78 Zyxel ex3300-t0
79 Zyxel dx5401-b1_firmware
80 Zyxel dx5401-b1
81 Zyxel dx5401-b0
82 Zyxel dx3301-t0
83 Zyxel dx3300-t1_firmware
84 Zyxel dx3300-t1
85 Zyxel dx3300-t0_firmware
86 Zyxel dx3300-t0
87 Zyxel nr7303_firmware
88 Zyxel nr7303
89 Zyxel nr7302_firmware
90 Zyxel nr7302
91 Zyxel nr5103
92 Zyxel ex3600-t0_firmware
93 Zyxel ex3600-t0
94 Zyxel dx4510-b1
95 Zyxel ex5501-b0
96 Zyxel lte3301-plus
97 Zyxel emg6726-b10a
98 Zyxel vmg3927-b50b
99 Zyxel vmg4927-b50a
100 Zyxel nr5103e
101 Zyxel vmg4005-b50b_firmware
102 Zyxel vmg4005-b50b
103 Zyxel ee6510-10_firmware
104 Zyxel ee6510-10
105 Zyxel px5301-t0_firmware
106 Zyxel px5301-t0
107 Zyxel wx3401-b1_firmware
108 Zyxel wx3401-b1
109 Zyxel wx5610-b0_firmware
110 Zyxel wx5610-b0
111 Zyxel dm4200-b0_firmware
112 Zyxel dm4200-b0
113 Zyxel ee3301-00_firmware
114 Zyxel ee3301-00
115 Zyxel ee5301-00_firmware
116 Zyxel ee5301-00
117 Zyxel gm4100-b0_firmware
118 Zyxel gm4100-b0
119 Zyxel pe3301-00_firmware
120 Zyxel pe3301-00
121 Zyxel pe5301-01_firmware
122 Zyxel pe5301-01
123 Zyxel pm7500-00_firmware
124 Zyxel pm7500-00
125 Zyxel we3300-00_firmware
126 Zyxel we3300-00
127 Zyxel nr5309_firmware
128 Zyxel nr5309
129 Zyxel nebula_fwa515_firmware
130 Zyxel nebula_fwa515
131 Zyxel scr_50axe_firmware
132 Zyxel scr_50axe
: Total Affected Vendor : 1 | Products : 132
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 96e50032-ad0d-4058-a115-4d2c13821f9f
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 3.1 HIGH [email protected]
Solution
Update firmware to patch Slowloris-style DoS vulnerability.
  • Update the Zyxel DX3301-T0 firmware.
  • Apply vendor-released security patches.
  • Monitor network traffic for suspicious activity.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-6599.

URL Resource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-uncontrolled-resource-consumption-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-11-18-2025 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-6599 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-6599 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-6599 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-6599 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 16, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte3301-plus_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.00(abqu.7)c0 OR cpe:2.3:h:zyxel:lte3301-plus:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nr5103_firmware:*:*:*:*:*:*:*:* versions up to (including) 4.19(abyc.8)c0 OR cpe:2.3:h:zyxel:nr5103:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nr5103e_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.00(acdj.1)c0 OR cpe:2.3:h:zyxel:nr5103e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nr5309_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.00(ackp.1)b3 OR cpe:2.3:h:zyxel:nr5309:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nr7302_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.00(acha.5)c0 OR cpe:2.3:h:zyxel:nr7302:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nr7303_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.00(acei.1)c0 OR cpe:2.3:h:zyxel:nr7303:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nebula_fwa505_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.19(acko.0)c0 OR cpe:2.3:h:zyxel:nebula_fwa505:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nebula_fwa510_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.20(acgd.1)c0 OR cpe:2.3:h:zyxel:nebula_fwa510:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nebula_fwa515_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.50(acpz.0)c0 OR cpe:2.3:h:zyxel:nebula_fwa515:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nebula_fwa710_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.20(acgc.0)c0 OR cpe:2.3:h:zyxel:nebula_fwa710:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dm4200-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(acbs.1.3)c0 OR cpe:2.3:h:zyxel:dm4200-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dx3300-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abvy.6.3)c0 OR cpe:2.3:h:zyxel:dx3300-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dx3300-t1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abvy.6.3)c0 OR cpe:2.3:h:zyxel:dx3300-t1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dx3301-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abvy.6.3)c0 OR cpe:2.3:h:zyxel:dx3301-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dx4510-b1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abyl.9)c0 OR cpe:2.3:h:zyxel:dx4510-b1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dx5401-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abyo.7)b2 OR cpe:2.3:h:zyxel:dx5401-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dx5401-b1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abyo.7)b2 OR cpe:2.3:h:zyxel:dx5401-b1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ee3301-00_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.63(acmu.1.1)c0 OR cpe:2.3:h:zyxel:ee3301-00:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ee5301-00_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.63(acld.1.1)c0 OR cpe:2.3:h:zyxel:ee5301-00:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ee6510-10_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.19(acjq.3)c0 OR cpe:2.3:h:zyxel:ee6510-10:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex3300-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abvy.6.3)c0 OR cpe:2.3:h:zyxel:ex3300-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex3300-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(acdi.2.1)c0 OR cpe:2.3:h:zyxel:ex3300-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex3300-t1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abvy.6.3)c0 OR cpe:2.3:h:zyxel:ex3300-t1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex3301-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abvy.6.3)c0 OR cpe:2.3:h:zyxel:ex3301-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex3500-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.44(achr.4)c0 OR cpe:2.3:h:zyxel:ex3500-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex3501-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.44(achr.4)c0 OR cpe:2.3:h:zyxel:ex3501-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex3600-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.70(acif.1.2)c0 OR cpe:2.3:h:zyxel:ex3600-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5401-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abyo.7)b2 OR cpe:2.3:h:zyxel:ex5401-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5401-b1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abyo.7)b2 OR cpe:2.3:h:zyxel:ex5401-b1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5501-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abry.5.5)c0 OR cpe:2.3:h:zyxel:ex5501-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5510-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abqx.10)c0 OR cpe:2.3:h:zyxel:ex5510-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5512-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.70(aceg.5)c0 OR cpe:2.3:h:zyxel:ex5512-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5601-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.70(acdz.4.1)c0 OR cpe:2.3:h:zyxel:ex5601-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5601-t1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.70(acdz.4.1)c0 OR cpe:2.3:h:zyxel:ex5601-t1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex7501-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.18(achn.2.1)c0 OR cpe:2.3:h:zyxel:ex7501-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex7710-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.18(acak.1.4)c0 OR cpe:2.3:h:zyxel:ex7710-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:emg3525-t50b_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abpm.9.5)c0 OR cpe:2.3:h:zyxel:emg3525-t50b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:emg5523-t50b_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abpm.9.5)c0 OR cpe:2.3:h:zyxel:emg5523-t50b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:emg5723-t50k_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abom.8.6)c0 OR cpe:2.3:h:zyxel:emg5723-t50k:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:emg6726-b10a_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.13(abnp.8)c0 OR cpe:2.3:h:zyxel:emg6726-b10a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gm4100-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.18(accl.1)c0 OR cpe:2.3:h:zyxel:gm4100-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg3625-t50b_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abpm.9.5)c0 OR cpe:2.3:h:zyxel:vmg3625-t50b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg3927-b50b_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.13(ably.10)c0 OR cpe:2.3:h:zyxel:vmg3927-b50b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg3927-t50k_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abom.8.6)c0 OR cpe:2.3:h:zyxel:vmg3927-t50k:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg4005-b50a_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abqa.3)c0 OR cpe:2.3:h:zyxel:vmg4005-b50a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg4005-b60a_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abqa.3)c0 OR cpe:2.3:h:zyxel:vmg4005-b60a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg4005-b50b_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.13(abrl.5.3)c0 OR cpe:2.3:h:zyxel:vmg4005-b50b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg4927-b50a_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.13(ably.10)c0 OR cpe:2.3:h:zyxel:vmg4927-b50a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg8623-t50b_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abpm.9.5)c0 OR cpe:2.3:h:zyxel:vmg8623-t50b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg8825-t50k_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abom.8.6)c0 OR cpe:2.3:h:zyxel:vmg8825-t50k:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ax7501-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abpc.6.1)c0 OR cpe:2.3:h:zyxel:ax7501-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ax7501-b1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abpc.6.1)c0 OR cpe:2.3:h:zyxel:ax7501-b1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pe3301-00_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.63(acmt.1.1)c0 OR cpe:2.3:h:zyxel:pe3301-00:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pe5301-01_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.63(acoj.1.1)c0 OR cpe:2.3:h:zyxel:pe5301-01:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pm3100-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.42(acbf.3)c0 OR cpe:2.3:h:zyxel:pm3100-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pm5100-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.42(acbf.3)c0 OR cpe:2.3:h:zyxel:pm5100-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pm7500-00_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.61(ackk.1)c0 OR cpe:2.3:h:zyxel:pm7500-00:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pm7300-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.42(abyy.3)c0 OR cpe:2.3:h:zyxel:pm7300-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:px3321-t1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.44(acjb.1.3)c0 OR cpe:2.3:h:zyxel:px3321-t1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:px3321-t1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.44(achk.1)c0 OR cpe:2.3:h:zyxel:px3321-t1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:px5301-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.44(ackb.0.4)c0 OR cpe:2.3:h:zyxel:px5301-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:scr_50axe_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.10(acgn.3)c0 OR cpe:2.3:h:zyxel:scr_50axe:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:we3300-00_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.70(acka.0)c0 OR cpe:2.3:h:zyxel:we3300-00:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wx3100-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.50(abvl.4.7)c0 OR cpe:2.3:h:zyxel:wx3100-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wx3401-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abve.2.8)c0 OR cpe:2.3:h:zyxel:wx3401-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wx3401-b1_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.17(abve.2.8)c0 OR cpe:2.3:h:zyxel:wx3401-b1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wx5600-t0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.70(aceb.4.1)c0 OR cpe:2.3:h:zyxel:wx5600-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wx5610-b0_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.18(acgj.0.3)c0 OR cpe:2.3:h:zyxel:wx5610-b0:-:*:*:*:*:*:*:*
    Added Reference Type Zyxel Corporation: https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-uncontrolled-resource-consumption-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-11-18-2025 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Nov. 18, 2025

    Action Type Old Value New Value
    Added Description An uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an attacker to perform Slowloris‑style denial‑of‑service (DoS) attacks. Such attacks may temporarily block legitimate HTTP requests and partially disrupt access to the web management interface, while other networking services remain unaffected.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Added CWE CWE-400
    Added Reference https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-uncontrolled-resource-consumption-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-11-18-2025
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact