CVE-2025-9605

Tenda AC21/AC23 GetParentControlInfo stack-based overflow

State: Published
Severity: 9.3 Critical
Published: Aug 29, 2025
Updated: Aug 29, 2025
Reserved: Aug 28, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS: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	VulDB
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
3.0	9.8 Critical	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
2.0	10.0 High	AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-121 Stack-based Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
AC21Tenda	16.03.08.16Affected
AC23Tenda	16.03.08.16Affected

References

VDB-321783 | Tenda AC21/AC23 GetParentControlInfo stack-based overflowvdb-entrytechnical-description
VDB-321783 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #636545 | Tenda Wi-Fi 5 Router AC21 AC21V1.0re_V16.03.08.16 Buffer Overflowthird-party-advisory
Submit #636548 | Tenda Wi-Fi 5 Router AC23 AC23V1.0re_V16.03.07.52 Buffer Overflow (Duplicate)third-party-advisory
https://github.com/XXRicardo/iot-cve/blob/main/Tenda/AC21/AC21V1.0re_V16.03.08.16.mdrelated
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.mdexploit
https://www.tenda.com.cn/product

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