CVE-2025-61935
published 2025-10-15CVE-2025-61935: When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate. Note: Software…
PriorityP343high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.33%
24.9th percentile
When a BIG IP Advanced WAF or ASM security policy is configured on 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.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| f5 | big-ip | >= 15.1.0 < 15.1.10.8 | 15.1.10.8 |
| f5 | big-ip | >= 17.1.0 < 17.1.3 | 17.1.3 |
| f5 | big-ip | >= 17.5.0 < 17.5.1 | 17.5.1 |
| f5 | big-ip_advanced_waf | — | — |
| f5 | big-ip_advanced_web_application_firewall | — | — |
| f5 | big-ip_advanced_web_application_firewall | >= 15.1.0 < 15.1.10.8 | 15.1.10.8 |
| f5 | big-ip_advanced_web_application_firewall | >= 17.1.0 < 17.1.3 | 17.1.3 |
| f5 | big-ip_application_security_manager | — | — |
| f5 | big-ip_application_security_manager | >= 15.1.0 < 15.1.10.8 | 15.1.10.8 |
| f5 | big-ip_application_security_manager | >= 17.1.0 < 17.1.3 | 17.1.3 |
| f5 | big-ip_asm | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv4.08.7HIGHCVSS:4.0/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
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GHSA
GHSA-cq7m-px5h-48px: When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate
ghsa_unreviewed·2025-10-15
CVE-2025-61935 [HIGH] CWE-252 GHSA-cq7m-px5h-48px: When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate
When a BIG IP Advanced WAF or ASM security policy is configured on 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.
F5
CVE-2025-61935: When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause t...
vendor_f5·2025-10-15·CVSS 7.5
CVE-2025-61935 [HIGH] CWE-252 CVE-2025-61935: When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause t...
CVE-2025-61935: When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause t...
When a BIG IP Advanced WAF or ASM security policy is configured on 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.
Affected Products: BIG-IP ASM, BIG-IP Advanced WAF
Affected Versions: 15.1.0 - 15.1.10.8; 17.1.0 - 17.1.3; 17.5.0
F5 Advisory Articles: K000154664
F5 References: https://my.f5.com/manage/s/article/K000154664
No detection rules found.
No public exploits indexed.
Qualys
A Strategic Response to the F5 BIG-IP Nation-State Breach 2025
blogs_qualys·2025-10-18
A Strategic Response to the F5 BIG-IP Nation-State Breach 2025
## Table of Contents
CISAs KEV Inclusion Underscores the Severity of the F5 BIG-IP Breach
The Risk-Velocity Mismatch: F5 Patching Decelerates as Attacker Insight Accelerates
How Qualys Helps You Discover F5 Assets and Detect Related Vulnerabilities
Conclusion
In mid-October 2025, the cybersecurity landscape was dealt a severe blow. F5 disclosed a long-term, sophisticated breach by a nation-state threat actor. This incident exposed critical F5 BIG-IP vulnerabilities and triggered heightened scrutiny across enterprise edge infrastructure.
This was not a typical vulnerability disclosure. The attackers exfiltrated a strategic critical pair of assets: portions of BIG-IP source code, and internal details of undisclosed (unpatched) vulnerabilities.
## CISA’s KEV Inclusion Underscores the S
Qualys
F5 BIG-IP Vulnerabilities: Strategic Breach Response with Qualys | Qualys
blogs_qualys·2025-10-18
F5 BIG-IP Vulnerabilities: Strategic Breach Response with Qualys | Qualys
#### Table of Contents
- CISAs KEV Inclusion Underscores the Severity of the F5 BIG-IP Breach
- The Risk-Velocity Mismatch: F5 Patching Decelerates as Attacker Insight Accelerates
- How Qualys Helps You Discover F5 Assets and Detect Related Vulnerabilities
- Conclusion
In mid-October 2025, the cybersecurity landscape was dealt a severe blow. F5 disclosed a long-term, sophisticated breach by a nation-state threat actor. This incident exposed critical F5 BIG-IP vulnerabilities and triggered heightened scrutiny across enterprise edge infrastructure.
This was not a typical vulnerability disclosure. The attackers exfiltrated a strategic critical pair of assets: portions of BIG-IP source code, and internal details of undisclosed (unpatched) vulnerabilities.
## CISA’s KEV Inclusion Underscore
Tenable
FAQ on F5 Security Incident
blogs_tenable·2025-10-15
FAQ on F5 Security Incident
## Cloud Exposure
Tenable Cloud Security (CNAPP) Request a demo
Tenable Cloud Vulnerability Management Request a demo
Tenable CIEM Request a demo
Secure your cloud
## Vulnerability Exposure
Tenable Vulnerability Management Try for free
Tenable Security Center Request a demo
Tenable Web App Scanning Try for free
Tenable Patch Management Request a demo
Tenable Enclave Security Request a demo
Tenable Attack Surface Management Request a demo
Tenable Nessus Try for free
## AI Exposure
Tenable AI Exposure Request a demo
## OT/IoT Exposure
Tenable OT Security Request a demo
## Identity Exposure
Tenable Identity Exposure Request a demo
## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
Wiz
CVE-2026-20730 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 8.7
CVE-2026-20730 [HIGH] CVE-2026-20730 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-20730 :
F5 BIG-IP Virtual Edition (tier - best) vulnerability analysis and mitigation
A vulnerability exists in BIG-IP Edge Client and browser VPN clients on Windows that may allow attackers to gain access to sensitive information. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Source : NVD
## 2
Score
Published February 4, 2026
Severity LOW
CNA Score 2.0
Affected Technologies
F5 BIG-IP Virtual Edition (tier - best)
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 6.6
Exploitation Probability (EPSS) N/A
Affected packages and libraries
cpe:2.3:a:f5:big-ip_access_policy_manager
Sources
Linux Severity LOW Has Fix Added at: Feb 1
Wiz
CVE-2026-22548 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 8.7
CVE-2026-22548 [HIGH] CVE-2026-22548 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-22548 :
F5 BIG-IP Virtual Edition (tier - best) vulnerability analysis and mitigation
When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests along with conditions beyond the attacker's control can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Source : NVD
## 8.2
Score
Published February 4, 2026
Severity HIGH
CNA Score 8.2
Affected Technologies
F5 BIG-IP Virtual Edition (tier - best)
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 26.7
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
cpe:2.3:a:f5:big-ip_access_policy_mana
2025-10-15
Published