BIG-IP HTTP vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| F5 | BIG-IP | 17.1.0 to before 17.1.2; 16.1.0 to before 16.1.5 | 17.5.0, 17.1.2, 16.1.5, 15.1.0 | Patch available | CNA |
| F5 | BIG-IP Next SPK | 1.8.0 to before 2.0.0; 1.7.0 to before 1.7.9 | 2.0.0, 1.7.9 | Patch available | CNA |
| F5 | BIG-IP Next CNF | 1.1.0 to before 1.4.0 | 2.0.0, 1.4.0 | Patch available | CNA |
- BIG-IP VendorF5 Affected 17.1.0 to before 17.1.2; 16.1.0 to before 16.1.5 Fixed in 17.5.0, 17.1.2, 16.1.5, 15.1.0 Patch available CNA
- BIG-IP Next SPK VendorF5 Affected 1.8.0 to before 2.0.0; 1.7.0 to before 1.7.9 Fixed in 2.0.0, 1.7.9 Patch available CNA
- BIG-IP Next CNF VendorF5 Affected 1.1.0 to before 1.4.0 Fixed in 2.0.0, 1.4.0 Patch available CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:*:*:*:*:*:*:*:* | 1.1.0 to before 1.4.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:*:*:*:*:*:*:*:* | 1.7.0 to before 1.7.9; 1.8.0 – 1.9.2 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.5; 17.1.0 to before 17.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:*:*:*:*:*:*:*:* Versions 1.1.0 to before 1.4.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:*:*:*:*:*:*:*:* Versions 1.7.0 to before 1.7.9; 1.8.0 – 1.9.2 Vulnerable ·F5
Remediation
- Fix · CNA BIG-IP (F5) Fixed in 17.5.0, 17.1.2, 16.1.5, 15.1.0
- Fix · CNA BIG-IP Next SPK (F5) Fixed in 2.0.0, 1.7.9
- Fix · CNA BIG-IP Next CNF (F5) Fixed in 2.0.0, 1.4.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
F5 BIG-IP Next CNF 1.4.0
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2025-27583 BIG-IP HTTP/2 vulnerabilityPriority MEDIUM 44
- TI-2025-24852 BIG-IP HTTP/2 vulnerabilityPriority MEDIUM 44
- Release ·
F5 BIG-IP 16.1.5, 17.1.2
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2025-27597 BIG-IP SIP ALG profile vulnerabilityPriority MEDIUM 44
- TI-2025-27583 BIG-IP HTTP/2 vulnerabilityPriority MEDIUM 44
Show 1 more group
- Release ·
F5 BIG-IP Next SPK 1.7.9, 2.0.0
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2025-27583 BIG-IP HTTP/2 vulnerabilityPriority MEDIUM 44
Timeline
- 2026-10-02 Threatist record created from CVE-2025-36557
- 2026-10-03 Alias added: GHSA-7prc-7h82-9785
References
More F5 Big-ip Access Policy Manager vulnerabilities
- TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
- TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-36557 · CVE Program
- CVE-2025-36557 · NVD
- FIRST EPSS
- GHSA-7prc-7h82-9785 · GitHub Advisory Database · CC BY 4.0
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