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7.8
HIGH CVSS 3.1
CVE-2025-21440
"TP-Link WLAN Driver Buffer Overflow"
Description

Memory corruption when IOCTL call is invoked from user-space to write board data to WLAN driver.

INFO

Published Date :

April 7, 2025, 11:15 a.m.

Last Modified :

Aug. 20, 2025, 8:01 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-21440 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 Qualcomm aqt1000_firmware
2 Qualcomm qca6391_firmware
3 Qualcomm qca6420_firmware
4 Qualcomm qca6430_firmware
5 Qualcomm wcd9341_firmware
6 Qualcomm wcd9380_firmware
7 Qualcomm wcd9385_firmware
8 Qualcomm wsa8810_firmware
9 Qualcomm wsa8815_firmware
10 Qualcomm qca1062_firmware
11 Qualcomm qca1064_firmware
12 Qualcomm qca2062_firmware
13 Qualcomm qca2064_firmware
14 Qualcomm qca2065_firmware
15 Qualcomm qca2066_firmware
16 Qualcomm qcm6490_firmware
17 Qualcomm qcs6490_firmware
18 Qualcomm sc8180x\+sdx55_firmware
19 Qualcomm sm6250_firmware
20 Qualcomm snapdragon_7c\+_gen_3_compute_firmware
21 Qualcomm wcd9340_firmware
22 Qualcomm wcd9370_firmware
23 Qualcomm wcd9375_firmware
24 Qualcomm fastconnect_6200_firmware
25 Qualcomm fastconnect_6800_firmware
26 Qualcomm fastconnect_6900_firmware
27 Qualcomm fastconnect_7800_firmware
28 Qualcomm fastconnect_6700_firmware
29 Qualcomm qcc2073_firmware
30 Qualcomm qcc2076_firmware
31 Qualcomm wsa8840_firmware
32 Qualcomm wsa8845_firmware
33 Qualcomm wsa8845h_firmware
34 Qualcomm aqt1000
35 Qualcomm qca6391
36 Qualcomm qca6420
37 Qualcomm qca6430
38 Qualcomm sc8180x\+sdx55
39 Qualcomm sm6250
40 Qualcomm wcd9340
41 Qualcomm wcd9341
42 Qualcomm wcd9370
43 Qualcomm wcd9375
44 Qualcomm wcd9380
45 Qualcomm wcd9385
46 Qualcomm wsa8810
47 Qualcomm wsa8815
48 Qualcomm qca1062
49 Qualcomm qca1064
50 Qualcomm qcm5430_firmware
51 Qualcomm qcs5430_firmware
52 Qualcomm sc8380xp_firmware
53 Qualcomm fastconnect_6700
54 Qualcomm fastconnect_6200
55 Qualcomm fastconnect_6800
56 Qualcomm fastconnect_6900
57 Qualcomm qcs6490
58 Qualcomm fastconnect_7800
59 Qualcomm qcm5430
60 Qualcomm qcm6490
61 Qualcomm qcs5430
62 Qualcomm sc8380xp
63 Qualcomm snapdragon_7c\+_gen_3_compute
64 Qualcomm wsa8840
65 Qualcomm wsa8845
66 Qualcomm wsa8845h
67 Qualcomm qca2062
68 Qualcomm qca2064
69 Qualcomm qca2065
70 Qualcomm qca2066
71 Qualcomm qcc2073
72 Qualcomm qcc2076
73 Qualcomm video_collaboration_vc3_platform_firmware
74 Qualcomm video_collaboration_vc3_platform
75 Qualcomm snapdragon_7c_gen_2_compute_platform_\(sc7180-ad\)_\"rennell_pro\"_firmware
76 Qualcomm snapdragon_7c_gen_2_compute_platform_\(sc7180-ad\)_\"rennell_pro\"
77 Qualcomm snapdragon_7c_compute_platform_\(sc7180-ac\)_firmware
78 Qualcomm snapdragon_7c_compute_platform_\(sc7180-ac\)
79 Qualcomm snapdragon_8c_compute_platform_\(sc8180x-ad\)_firmware
80 Qualcomm snapdragon_8c_compute_platform_\(sc8180x-ad\)
81 Qualcomm snapdragon_8c_compute_platform_\(sc8180xp-ad\)_firmware
82 Qualcomm snapdragon_8c_compute_platform_\(sc8180xp-ad\)
83 Qualcomm snapdragon_8cx_compute_platform_\(sc8180x-aa\)_firmware
84 Qualcomm snapdragon_8cx_compute_platform_\(sc8180x-aa\)
85 Qualcomm snapdragon_8cx_compute_platform_\(sc8180x-ab\)_firmware
86 Qualcomm snapdragon_8cx_compute_platform_\(sc8180x-ab\)
87 Qualcomm snapdragon_8cx_compute_platform_\(sc8180xp-ac\)_firmware
88 Qualcomm snapdragon_8cx_compute_platform_\(sc8180xp-ac\)
89 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\(sc8180x-ac\)_firmware
90 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\(sc8180x-ac\)
91 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\(sc8180x-af\)_firmware
92 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\(sc8180x-af\)
93 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\(sc8180xp-aa\)_firmware
94 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\(sc8180xp-aa\)
95 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\(sc8180xp-ab\)_firmware
96 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\(sc8180xp-ab\)
97 Qualcomm snapdragon_8cx_compute_platform_\(sc8180xp-af\)_firmware
98 Qualcomm snapdragon_8cx_compute_platform_\(sc8180xp-af\)
: Total Affected Vendor : 1 | Products : 98
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 HIGH [email protected]
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-2025-21440.

URL Resource
https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html 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-2025-21440 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-2025-21440 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-2025-21440 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-2025-21440 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]

    Aug. 20, 2025

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:aqt1000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6200_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6700_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6800_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca1062_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca1062:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca1064_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca1064:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca2062_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca2062:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca2064_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca2064:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca2065_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca2065:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca2066_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca2066:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6391:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6420:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6430:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcc2073_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcc2073:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcc2076_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcc2076:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcm5430_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcm5430:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcm6490_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcm6490:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcs5430_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcs5430:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcs6490_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcs6490:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:video_collaboration_vc3_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:video_collaboration_vc3_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sc8180x+sdx55_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sc8180x+sdx55:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sc8380xp_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sc8380xp:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sm6250_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sm6250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_7c_compute_platform_(sc7180-ac)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_7c_compute_platform_(sc7180-ac):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_7c_gen_2_compute_platform_(sc7180-ad)_"rennell_pro"_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_7c_gen_2_compute_platform_(sc7180-ad)_"rennell_pro":-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_7c+_gen_3_compute_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_7c+_gen_3_compute:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8c_compute_platform_(sc8180x-ad)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8c_compute_platform_(sc8180x-ad):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8c_compute_platform_(sc8180xp-ad)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8c_compute_platform_(sc8180xp-ad):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_compute_platform_(sc8180x-aa)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_compute_platform_(sc8180x-aa):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_compute_platform_(sc8180x-ab)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_compute_platform_(sc8180x-ab):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_compute_platform_(sc8180xp-ac)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_compute_platform_(sc8180xp-ac):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_compute_platform_(sc8180xp-af)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_compute_platform_(sc8180xp-af):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_(sc8180x-ac)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_(sc8180x-ac):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_(sc8180x-af)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_(sc8180x-af):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_(sc8180xp-aa)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_(sc8180xp-aa):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_(sc8180xp-ab)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_(sc8180xp-ab):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9340_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9340:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9341:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9370:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9375:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9385:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8810:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8815:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8840_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8840:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8845_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8845:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8845h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8845h:-:*:*:*:*:*:*:*
    Added Reference Type Qualcomm, Inc.: https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html Types: Vendor Advisory
  • New CVE Received by [email protected]

    Apr. 07, 2025

    Action Type Old Value New Value
    Added Description Memory corruption when IOCTL call is invoked from user-space to write board data to WLAN driver.
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-787
    Added Reference https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html
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: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact