PT-2025-42332 · F5 · Big-Ip Asm+1

Published 2025-10-15 · Updated 2025-10-15 · CVE-2025-54858

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions BIG-IP Advanced WAF and BIG-IP ASM (affected versions not specified)

Description A flaw in JSON schema handling can lead to the termination of the bd process when a BIG-IP Advanced WAF or BIG-IP ASM Security Policy is configured with a malformed JSON schema and applied to a virtual server. This issue may cause affected BIG-IP devices to crash.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

CVE-2025-54858

Affected Products

Big-Ip Asm

Big-Ip Advanced Waf

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-54858 · Security Note
• https://my.f5.com/manage/s/article/K000156621 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-54858 · Vendor Advisory
• https://twitter.com/CVEnew/status/1978545071248314476 · Twitter Post
• https://twitter.com/ZeroPathLabs/status/1978493577823940824 · Twitter Post