CVE-2025-15255
Tenda W6-S R7websSsecurityHandler httpd stack-based overflow
- State
- Published
- Severity
- 9.3 Critical
- Published
- Dec 30, 2025
- Updated
- Feb 24, 2026
- Reserved
- Dec 29, 2025
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.
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
Affected Products
| Product | Versions |
|---|---|
W6-STenda |
|
References
- VDB-338645 | Tenda W6-S R7websSsecurityHandler httpd stack-based overflowvdb-entrytechnical-description
- VDB-338645 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #725500 | Tenda W6-S V1.0.0.4(510) Stack-based Buffer Overflowthird-party-advisory
- https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.mdexploit
- https://www.tenda.com.cn/product
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