Skip to main content
CRITICAL

CVE-2025-15255

CVSS v3

9.8

CRITICAL

EPSS Score

4.7 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2025-12-30

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.

Is CVE-2025-15255 actively exploited?

Active exploitation of CVE-2025-15255 has not been confirmed. Its EPSS score was 4.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-15255?

CVE-2025-15255 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2025-15255 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IPSearch CVEsSIEM & TIP integrations

No credit card required · 500 free checks/month · Free API key

Other 2025 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database