CVE-2025-15255

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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 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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.338645 Permissions Required VDB Entry
https://vuldb.com/?id.338645 Third Party Advisory VDB Entry
https://vuldb.com/?submit.725500 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.md Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:w6-s_firmware:1.0.0.4\(510\):*:*:*:*:*:*:*
cpe:2.3:h:tenda:w6-s:-:*:*:*:*:*:*:*
History

02 Jan 2026, 21:20

Type Values Removed Values Added
References () https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.md - () https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.md - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.338645 - () https://vuldb.com/?ctiid.338645 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.338645 - () https://vuldb.com/?id.338645 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.725500 - () https://vuldb.com/?submit.725500 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
CPE cpe:2.3:o:tenda:w6-s_firmware:1.0.0.4\(510\):*:*:*:*:*:*:*
cpe:2.3:h:tenda:w6-s:-:*:*:*:*:*:*:*
First Time Tenda
Tenda w6-s
Tenda w6-s Firmware

30 Dec 2025, 19:15

Type Values Removed Values Added
References () https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.md - () https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.md -

30 Dec 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-12-30 16:15

Updated : 2026-01-02 21:20

NVD link : CVE-2025-15255

Mitre link : CVE-2025-15255

CVE.ORG link : CVE-2025-15255

JSON object : View

Products Affected

tenda

  • w6-s_firmware
  • w6-s
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow