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

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-09 · updated 2026-06-17
Weakness: CWE-77

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

D-Link DIR-823X: 250416

References

https://github.com/master-abc/cve/issues/34
https://github.com/user-attachments/files/25010265/Remote.Command.Injection.in.D-Link.DIR-823X.via._goform_set_filtering.zip
https://vuldb.com/?ctiid.344925
https://vuldb.com/?id.344925
https://vuldb.com/?submit.752165
https://www.dlink.com/

Get alerted when CVE-2026-2210 or the next vulnerability affects your stack