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CVE-2026-1638

MEDIUM

6.3

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.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published1/30/2026

Last Modified4/29/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:ac21tenda:ac21_firmware

Weaknesses (CWE)

CWE-74CWE-77CWE-77

References

https://github.com/LX-LX88/cve/issues/26(cna@vuldb.com)

https://vuldb.com/?ctiid.343417(cna@vuldb.com)

https://vuldb.com/?id.343417(cna@vuldb.com)

https://vuldb.com/?submit.740871(cna@vuldb.com)

https://www.tenda.com.cn/(cna@vuldb.com)

IOC Correlations

No correlations recorded

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