SB2025050755 - Remote denial of service in F5 BIG-IP TMM

Description

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2025-36557)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of HTTP traffic in TMM module. A remote attacker can send specially crafted traffic to the device and perform a denial of service (DoS) attack.

2) Input validation error (CVE-ID: CVE-2025-41414)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of HTTP/2 traffic in TMM module. A remote attacker can send specially crafted HTTP/2 traffic to the device and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://my.f5.com/manage/s/article/K000139571
• https://my.f5.com/manage/s/article/K000140968