CVE-2025-36557

BIG-IP HTTP vulnerability

State: Published
Severity: 8.7 High
Published: May 7, 2025
Updated: May 19, 2025
Reserved: Apr 23, 2025

Description

When an HTTP profile with the Enforce RFC Compliance option is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L	f5
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	f5

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
BIG-IPF5	17.5.0 and laterNot affected 17.1.0 to before 17.1.2Affected 16.1.0 to before 16.1.5Affected 15.1.0 and laterNot affected
BIG-IP Next SPKF5	1.8.0 to before 2.0.0Affected 1.7.0 to before 1.7.9Affected
BIG-IP Next CNFF5	2.0.0 and laterNot affected 1.1.0 to before 1.4.0Affected

References

https://my.f5.com/manage/s/article/K000139571vendor-advisory

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