CVE-2025-9605

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.

CVSS 4.0

8.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

5.6% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-121

Published

2025-08-29

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• tenda:ac21_firmware
• tenda:ac23_firmware

References

• https://github.com/XXRicardo/iot-cve/blob/main/Tenda/AC21/AC21V1.0re_V16.03.08.16.md
• 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
• https://vuldb.com/?ctiid.321783
• https://vuldb.com/?id.321783
• https://vuldb.com/?submit.636545

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