Resource exhaustion in F5 Networks products - CVE-2025-36504
Published: May 7, 2025
Vulnerability identifier: #VU108775
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2025-36504
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to system does not properly control consumption of internal resources when BIG-IP HTTP/2 httprouter profile is configured on a virtual server. A remote attacker can send specially crafted HTTP2 requests to the system and perform a denial of service (DoS) attack.
Affected software
BIG-IP Next CNF
BIG-IP Next SPK
BIG-IP
BIG-IP Next SPK
BIG-IP
How to mitigate CVE-2025-36504
Install updates from vendor's website.
BIG-IP Next CNF - update to 2.0.0
BIG-IP Next SPK - update to 2.0.0
BIG-IP - addressed in versions 16.1.6, 17.1.2, 20.3.0
BIG-IP Next SPK - update to 2.0.0
BIG-IP - addressed in versions 16.1.6, 17.1.2, 20.3.0