Remote OS Command Injection via /goform/set_filtering on D-Link DIR-823X
CVE-2026-2210 Published on February 9, 2026
D-Link DIR-823X set_filtering sub_4211C8 os command injection
A vulnerability has been found in D-Link DIR-823X 250416. This affects the function sub_4211C8 of the file /goform/set_filtering. Such manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Timeline
Advisory disclosed
VulDB entry created
VulDB entry last update 2 days later.
Weakness Types
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2026-2210 has been classified to as a Shell injection vulnerability or weakness.
What is a Command Injection Vulnerability?
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CVE-2026-2210 has been classified to as a Command Injection vulnerability or weakness.
Products Associated with CVE-2026-2210
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Affected Versions
D-Link DIR-823X Version 250416 is affected by CVE-2026-2210Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.