CVE-2026-1638 – Tenda AC21 mDMZSetCfg command injection

CVE ID : CVE-2026-1638

Published : Jan. 30, 2026, 12:15 a.m. | 54 minutes ago

Description : A security flaw has been discovered in Tenda AC21 1.1.1.1/1.dmzip/16.03.08.16. The impacted element is the function mDMZSetCfg of the file /goform/mDMZSetCfg. The manipulation of the argument dmzIp results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

Severity: 6.5 | MEDIUM

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