Unrated severityNVD Advisory· Published Feb 21, 2026· Updated Feb 23, 2026
Tenda A21 SetOnlineDevName set_device_name stack-based overflow
CVE-2026-2886
Description
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.
Affected products
2- Tenda/A21v5Range: 1.0.0.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- github.com/QIU-DIE/cve-nneeww/issues/6mitreexploitissue-tracking
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.tenda.com.cnmitreproduct
News mentions
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