9.8
CRITICAL
CVE-2025-5621
D-Link DIR-816 OS Command Injection Vulnerability
Description

A vulnerability has been found in D-Link DIR-816 1.10CNB05 and classified as critical. Affected by this vulnerability is the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

INFO

Published Date :

June 5, 2025, 12:15 a.m.

Last Modified :

June 6, 2025, 3:42 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2025-5621 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 Dlink dir-816_firmware
2 Dlink dir-816
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-2025-5621.

URL Resource
https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_49/49.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.311107 Permissions Required
https://vuldb.com/?id.311107 Third Party Advisory VDB Entry
https://vuldb.com/?submit.589221 Third Party Advisory VDB Entry
https://www.dlink.com/ Product
https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_49/49.md Exploit Third Party Advisory

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-2025-5621 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-5621 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]

    Jun. 06, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05:*:*:*:*:*:*:* OR cpe:2.3:h:dlink:dir-816:-:*:*:*:*:*:*:*
    Added Reference Type CISA-ADP: https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_49/49.md Types: Exploit, Third Party Advisory
    Added Reference Type VulDB: https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_49/49.md Types: Exploit, Third Party Advisory
    Added Reference Type VulDB: https://vuldb.com/?ctiid.311107 Types: Permissions Required
    Added Reference Type VulDB: https://vuldb.com/?id.311107 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.589221 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://www.dlink.com/ Types: Product
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 05, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_49/49.md
  • New CVE Received by [email protected]

    Jun. 05, 2025

    Action Type Old Value New Value
    Added Tag unsupported-when-assigned
    Added Description A vulnerability has been found in D-Link DIR-816 1.10CNB05 and classified as critical. Affected by this vulnerability is the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CWE CWE-78
    Added CWE CWE-77
    Added Reference https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_49/49.md
    Added Reference https://vuldb.com/?ctiid.311107
    Added Reference https://vuldb.com/?id.311107
    Added Reference https://vuldb.com/?submit.589221
    Added Reference https://www.dlink.com/
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-5621 is associated with the following CWEs:

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jun. 07, 2025 2:20