Vulnerability Description
A security vulnerability has been detected in Tenda A21 1.0.0.0. This vulnerability affects the function set_device_name of the file /goform/setBlackRule of the component MAC Filtering Configuration Endpoint. Such manipulation of the argument devName/mac leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tenda | A21 Firmware | 1.0.0.0 |
| Tenda | A21 | - |
Related Weaknesses (CWE)
References
- https://github.com/QIU-DIE/cve-nneeww/issues/3ExploitIssue TrackingMitigation
- https://vuldb.com/?ctiid.347109Permissions RequiredVDB Entry
- https://vuldb.com/?id.347109Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.754634Third Party AdvisoryVDB Entry
- https://www.tenda.com.cn/Product
FAQ
What is CVE-2026-2872?
CVE-2026-2872 is a vulnerability with a CVSS score of 8.8 (HIGH). A security vulnerability has been detected in Tenda A21 1.0.0.0. This vulnerability affects the function set_device_name of the file /goform/setBlackRule of the component MAC Filtering Configuration E...
How severe is CVE-2026-2872?
CVE-2026-2872 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2872?
Check the references section above for vendor advisories and patch information. Affected products include: Tenda A21 Firmware, Tenda A21.