TI-2025-34559 Aliases CVE-2025-54805 GHSA-vgh4-q2cm-w7mg

TMM Vulnerability

LOW 27CWE-401Published 2025-10-15 · Updated 2026-02-26

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: Present
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-401.

Summary

When an iRule is configured on a virtual server via the declarative API, upon re-instantiation, the cleanup process can cause an increase in the Traffic Management Microkernel (TMM) memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00313 24th percentileScored 2026-11-07

Fix Fixed BIG-IP Next SPK (F5): 2.0.0BIG-IP Next CNF (F5): 2.0.0+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
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 Next SPK	1.7.0 and later	2.0.0	Patch available	CNA
F5	BIG-IP Next CNF	1.1.0 and later	2.0.0	Patch available	CNA
F5	BIG-IP Next for Kubernetes	2.0.0 to before 2.1.0	2.1.0	Patch available	CNA

BIG-IP Next SPK VendorF5 Affected 1.7.0 and later Fixed in 2.0.0 Patch available CNA
BIG-IP Next CNF VendorF5 Affected 1.1.0 and later Fixed in 2.0.0 Patch available CNA
BIG-IP Next for Kubernetes VendorF5 Affected 2.0.0 to before 2.1.0 Fixed in 2.1.0 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions::::::::	1.1.0 – 1.4.1	Vulnerable	F5
cpe:2.3:a:f5:big-ip_next_for_kubernetes:2.0.0:::::::*	2.0.0	Vulnerable	F5
cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes::::::::	1.7.0 – 1.9.2	Vulnerable	F5

cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:*:*:*:*:*:*:*:* Versions 1.1.0 – 1.4.1 Vulnerable ·F5
cpe:2.3:a:f5:big-ip_next_for_kubernetes:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·F5
cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:*:*:*:*:*:*:*:* Versions 1.7.0 – 1.9.2 Vulnerable ·F5

Remediation

Fix · CNA BIG-IP Next SPK (F5) Fixed in 2.0.0
Fix · CNA BIG-IP Next CNF (F5) Fixed in 2.0.0
Fix · CNA BIG-IP Next for Kubernetes (F5) Fixed in 2.1.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2025-10-15
F5 BIG-IP Next for Kubernetes 2.1.0
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2025-35944 BIG-IP Next (CNF, SPK, and Kubernetes) vulnerabilityPriority MEDIUM 44
- TI-2025-35101 BIG-IP Next (CNF, SPK, and Kubernetes) vulnerabilityPriority LOW 31
Show all 3 records →

Timeline

2026-10-02 Threatist record created from CVE-2025-54805
2026-10-03 Alias added: GHSA-vgh4-q2cm-w7mg

References

Advisory 1

https://my.f5.com/manage/s/article/K000151596

TI-2026-42605 BIG-IP HTTP/2 vulnerability CVSS 4.0HIGH 8.7
TI-2026-29357 BIG-IP SSL/TLS vulnerability CVSS 4.0HIGH 8.7
TI-2026-29350 BIG-IP SSL/TLS vulnerability CVSS 4.0HIGH 8.7
TI-2025-38317 TMM vulnerability CVSS 4.0HIGH 8.7
TI-2025-38308 BIG-IP SSL/TLS vulnerability CVSS 4.0HIGH 8.7
TI-2025-37392 BIG-IP SSL/TLS vulnerability CVSS 4.0HIGH 8.7

See all 26 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences