CVE-2026-2886
Tenda A21 SetOnlineDevName set_device_name stack-based overflow
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
21 Feb 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · A21Want to know if your infrastructure is exposed to this?
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