CVE-2025-15255 - CVE House

Back to Database

Status published Critical CVE-2025-15255

Tenda W6-S R7websSsecurityHandler httpd stack-based overflow

9.3 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-15255

Check My Exposure

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

dwbruijn (VulDB User)

References

More from Tenda

View All →

Tenda CP6 uhttp sub_2B7D04 risky encryption

Tenda CH22 SetSambaConf formSetSambaConf buffer overflow

Tenda CH22 exeCommand formexeCommand buffer overflow

Tenda F1202 Administrative shadow hard-coded credentials

Tenda AC20 fromAdvSetMacMtuWan stack-based overflow

Affected Vendor

Tenda

View all reports →

Affected Software

W6-S

Vulnerable Versions:

1.0.0.4(510)

Timeline

Official Publish: December 30th, 2025

Last Modified: February 24th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: 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

Weaknesses (CWE)

CWE-121 CWE-119

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1055 Process Injection

Defense Evasion

T1105 Ingress Tool Transfer

Command and Control

T1485 Data Destruction

T1203 Exploitation for Client Execution