CVE-2025-15255

Description

A vulnerability was determined in Tenda W6-S 1.0.0.4(510). This impacts an unknown function of the file /bin/httpd of the component R7websSsecurityHandler. Executing a manipulation of the argument Cookie can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

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	w6-s_firmware	All
tenda	w6-s	All

References

Exploits

https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.md https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.md

Other References

https://vuldb.com/?ctiid.338645 https://vuldb.com/?id.338645 https://vuldb.com/?submit.725500 https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2025-15255? +

A vulnerability was determined in Tenda W6-S 1.0.0.4(510). This impacts an unknown function of the file /bin/httpd of the component R7websSsecurityHandler. Executing a manipulation of the argument Cookie can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-15255? +

CVE-2025-15255 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-2025-15255? +

CVE-2025-15255 affects products from tenda, specifically: w6-s, w6-s_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-15255? +

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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