CVE-2025-9605

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.

CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
tenda	ac21_firmware	All
tenda	ac21	All
tenda	ac23_firmware	All
tenda	ac23	All

References

Exploits

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://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

Other References

https://vuldb.com/?ctiid.321783 https://vuldb.com/?id.321783 https://vuldb.com/?submit.636545 https://vuldb.com/?submit.636548 https://www.tenda.com.cn/

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-9605? +

CVE-2025-9605 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-9605? +

CVE-2025-9605 affects products from tenda, specifically: ac21, ac21_firmware, ac23, ac23_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-9605? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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