Vulnerability · Published Feb 9, 2026 · Assigned by VulDB

CVE-2026-2210D-Link DIR-823X set_filtering sub_4211C8 os command injection

High 7.2

In plain English

A high-severity OS command injection in DIR-823X from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 4.6% (higher than 92% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)4.6%top 8.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
D-Link DIR-823X 250416

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References