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.
References (5)
Core 5
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.343417
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.343417
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.740871
Issue Tracking broken-link
exploit
issue-tracking
https://github.com/LX-LX88/cve/issues/26
Various Sources product
https://www.tenda.com.cn/
Scores
CVSS v3
6.3
EPSS
0.0014
EPSS Percentile
33.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-74
CWE-77
Status
published
Products (1)
tenda/ac21_firmware
16.03.08.16
Published
Jan 30, 2026
Tracked Since
Feb 18, 2026