CVE-2025-15255

CRITICAL 9.8

Tenda W6-S R7websSsecurityHandler httpd stack-based overflow

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	tenda
Product	w6-s
Published	Dec 30, 2025
Last Updated	Feb 24, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / W6-S

1.0.0.4(510)

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.338645 vuldb.com: https://vuldb.com/?ctiid.338645 vuldb.com: https://vuldb.com/?submit.725500 github.com: https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.md tenda.com.cn: https://www.tenda.com.cn/

Credits

🔍 dwbruijn (VulDB User)