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Vulnerability record · CVE-2025-36557 · published 7 May 2025

CVE-2025-36557: F5 big-ip access policy manager classic buffer overflow vulnerability

F5 · Big Ip Access Policy Manager

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.

8.7 CVSS 4.0 High EPSS 0.41% · top 67.1% CWE-120 · Classic buffer overflow
8.7CVSS 4.0 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://my.f5.com/manage/s/article/K000139571 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-36557), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.