Vulnerability Details CVE-2026-1638
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 77.0%
CVSS Severity
CVSS v3 Score 6.3
CVSS v2 Score 6.5
References
Products affected by CVE-2026-1638
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cpe:2.3:h:tenda:ac21:-
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cpe:2.3:o:tenda:ac21_firmware:16.03.08.16