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6.9

CVE-2025-5621: 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 manipulati...

CVE-2025-5621 · published 1 year ago
Summary

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 re...

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
dlink dir-816_firmware 1.10cnb05
cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05:*:*:*:*:*:*:*
Original advisory text
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 manipulati...
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.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
6.9 Medium
Exploitation
5% chance of attack within 30 days
Type
CWE-77Command Injection
CWE-78OS Command Injection
Timeline
Published5 Jun 2025
Updated31 Oct 2026
First seen29 Sep 2026
Sources
CVE-2025-5621 · NVD
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