CVE-2025-12225: ac6 Buffer Overflow — Exploit

Description

A vulnerability has been found in Tenda AC6 15.03.06.50. This issue affects some unknown processing of the file /goform/WifiGuestSet of the component HTTP Request Handler. Such manipulation of the argument shareSpeed leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/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	ac6_firmware	All
tenda	ac6	All

References

Exploits

https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda/WifiGuestSet/WifiGuestSet.md

Other References

https://vuldb.com/?ctiid.329895 https://vuldb.com/?id.329895 https://vuldb.com/?submit.673547 https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2025-12225? +

A vulnerability has been found in Tenda AC6 15.03.06.50. This issue affects some unknown processing of the file /goform/WifiGuestSet of the component HTTP Request Handler. Such manipulation of the argument shareSpeed leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-12225? +

CVE-2025-12225 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-12225? +

CVE-2025-12225 affects products from tenda, specifically: ac6, ac6_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-12225? +

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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