Home/CVE/When a BIG-IP Advanced WAF or BIG-IP ASM Security Policy is configured with a JSON content profile that has a malformed
CVE

CVE-2025-54858

When a BIG-IP Advanced WAF or BIG-IP ASM Security Policy is configured with a JSON content profile that has a malformed

When a BIG-IP Advanced WAF or BIG-IP ASM Security Policy is configured with a JSON content profile that has a malformed JSON schema, and the security policy is applied to a virtual server, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

HIGH · CVSS 7.5 EPSS 0.00036
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-674Uncontrolled Recursion
▤

Affected Products & Versions

8
f5 big-ip advanced web application firewall>= 15.1.0 and < 15.1.10.8
f5 big-ip advanced web application firewall>= 16.1.0 and < 16.1.6.1
f5 big-ip advanced web application firewall>= 17.1.0 and < 17.1.3
f5 big-ip advanced web application firewall>= 17.5.0 and < 17.5.1.3
f5 big-ip application security manager>= 15.1.0 and < 15.1.10.8
f5 big-ip application security manager>= 16.1.0 and < 16.1.6.1
f5 big-ip application security manager>= 17.1.0 and < 17.1.3
f5 big-ip application security manager>= 17.5.0 and < 17.5.1.3
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Scoring & Timeline

7.5
HIGH · CVSS v3.1 · f5sirt@f5.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Oct 2025 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://my.f5.com/manage/s/article/K000156621Vendor Advisory
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