A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. Such manipulation of the argument mac leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may 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 8.9 · tendaNVD modified 2026-10-18 21:10
Affected (CPE criteria) 2
cpe:2.3:o:tenda:ac21_firmware:16.03.08.16:*:*:*:*:*:*:*cpe:2.3:o:tenda:ac23_firmware:16.03.08.16:*:*:*:*:*:*:*
References 9
- https://github.com/XXRicardo/iot-cve/blob/main/Tenda/AC21/AC21V1.0re_V16.03.08.16.md Exploit, Third Party Advisory
- https://github.com/XXRicardo/iot-cve/blob/main/Tenda/AC23/Stack-Based%20Buffer%20Overflow%20in%20Tenda%20Wi-Fi%205%20Router%20AC23%EF%BC%88AC23V1.0re_V16.03.07.52%EF%BC%89.md Exploit, Third Party Advisory
- https://vuldb.com/?ctiid.321783 Permissions Required, VDB Entry
- https://vuldb.com/?id.321783 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.636545 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.636548 Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/ Product
- https://github.com/XXRicardo/iot-cve/blob/main/Tenda/AC21/AC21V1.0re_V16.03.08.16.md Exploit, Third Party Advisory
- https://github.com/XXRicardo/iot-cve/blob/main/Tenda/AC23/Stack-Based%20Buffer%20Overflow%20in%20Tenda%20Wi-Fi%205%20Router%20AC23%EF%BC%88AC23V1.0re_V16.03.07.52%EF%BC%89.md Exploit, Third Party Advisory