CVE-2026-2155

A security flaw has been discovered in D-Link DIR-823X 250416. The affected element is the function sub_4208A0 of the file /goform/set_dmz of the component Configuration Handler. The manipulation of the argument dmz_host/dmz_enable results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

Score

CVSS 4.0 8.6 High

Status

Analyzed - cna@vuldb.com

Published

2026-02-08

Last modified

2026-02-23

Weaknesses

CWE-77, CWE-78

Affected products

• Dir-823x (D-link)
• Dir-823x Firmware (Dlink)

References

• https://github.com/master-abc/cve/issues/32
• https://vuldb.com/?ctiid.344857
• https://vuldb.com/?id.344857
• https://vuldb.com/?submit.748236
• https://vuldb.com/?submit.750038
• https://www.dlink.com/