Remote denial of service in F5 BIG-IP TMM

Published: 2025-05-07

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2025-36557 CVE-2025-41414
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	BIG-IP Hardware solutions / Firmware BIG-IP Next SPK Operating systems & Components / Operating system BIG-IP Next CNF Operating systems & Components / Operating system
Vendor	F5 Networks

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU108764

Risk: Medium

CVSSv4.0: 6.6 [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]

CVE-ID: CVE-2025-36557

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 16.1.0 - 17.1.1.4

BIG-IP Next SPK: 1.7.0 - 1.9.2

BIG-IP Next CNF: 1.1.0 - 1.3.3

CPE2.3

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU108765