A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be exploited.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 7.4 · tendaNVD modified 2026-10-09 10:10
Affected (CPE criteria) 1
cpe:2.3:o:tenda:ac21_firmware:*:*:*:*:*:*:*:*
References 6
- https://github.com/maximdevere/CVE2/issues/2 Exploit, Issue Tracking
- https://vuldb.com/?ctiid.326173 Permissions Required, VDB Entry
- https://vuldb.com/?id.326173 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.661806 Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/ Product
- https://github.com/maximdevere/CVE2/issues/2 Exploit, Issue Tracking