A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function sub_45BB10 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
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 2026-10-11 20:10
Affected (CPE criteria) 1
cpe:2.3:o:tenda:ac21_firmware:*:*:*:*:*:*:*:*
References 6
- https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buffer%20overflow.md Exploit, Third Party Advisory
- https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buffer%20overflow.md#poc Exploit, Third Party Advisory
- https://vuldb.com/?ctiid.325200 Permissions Required, VDB Entry
- https://vuldb.com/?id.325200 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.657126 Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/ Product