TI-2025-38297 Aliases CVE-2025-61955 GHSA-p73g-98vh-rvr5

F5OS vulnerability

LOW 38CWE-95Published 2025-10-15 · Updated 2026-02-26

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-95.

Summary

A vulnerability exists in F5OS-A and F5OS-C systems that may allow an authenticated attacker with local access to escalate their privileges. A successful exploit may allow the attacker to cross a security boundary. 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 0.00251 16th percentileScored 2026-11-07

Fix Fixed F5OS - Appliance (F5): 1.8.3, 1.5.4F5OS - Chassis (F5): 1.8.2, 1.6.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

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	F5OS - Appliance	1.8.0 to before 1.8.3; 1.5.0 to before 1.5.4	1.8.3, 1.5.4	Patch available	CNA
F5	F5OS - Chassis	1.8.0 to before 1.8.2; 1.6.0 to before 1.6.4	1.8.2, 1.6.4	Patch available	CNA

F5OS - Appliance VendorF5 Affected 1.8.0 to before 1.8.3; 1.5.0 to before 1.5.4 Fixed in 1.8.3, 1.5.4 Patch available CNA
F5OS - Chassis VendorF5 Affected 1.8.0 to before 1.8.2; 1.6.0 to before 1.6.4 Fixed in 1.8.2, 1.6.4 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:f5:f5os-a::::::::	1.5.1 to before 1.5.4	Vulnerable	F5
cpe:2.3:o:f5:f5os-a:1.8.0:::::::*	1.8.0	Vulnerable	F5
cpe:2.3:o:f5:f5os-c::::::::	1.6.0 – 1.6.2; 1.8.0 to before 1.8.2	Vulnerable	F5

cpe:2.3:o:f5:f5os-a:*:*:*:*:*:*:*:* Versions 1.5.1 to before 1.5.4 Vulnerable ·F5
cpe:2.3:o:f5:f5os-a:1.8.0:*:*:*:*:*:*:* Versions 1.8.0 Vulnerable ·F5
cpe:2.3:o:f5:f5os-c:*:*:*:*:*:*:*:* Versions 1.6.0 – 1.6.2; 1.8.0 to before 1.8.2 Vulnerable ·F5

Remediation

Fix · CNA F5OS - Appliance (F5) Fixed in 1.8.3, 1.5.4
Fix · CNA F5OS - Chassis (F5) Fixed in 1.8.2, 1.6.4

Fixed in the same release

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

Advisory · 2025-10-15
F5 F5OS - Appliance, F5OS - Chassis — my.f5.com/manage/s/article/K000156771
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2025-35664 F5OS VulnerabilityPriority LOW 38
Show all 2 records → Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2025-61955
2026-10-03 Alias added: GHSA-p73g-98vh-rvr5

References

Advisory 1

https://my.f5.com/manage/s/article/K000156771

TI-2002-02356 The Diffie-Hellman Key Agreement Protocol allows remote attackers (from the client side)… CVSS 3.1HIGH 7.5
TI-2025-24871 F5OS Appliance Mode vulnerability CVSS 4.0CRITICAL 9.2
TI-2025-29017 F5OS vulnerability CVSS 4.0HIGH 8.7
TI-2025-35664 F5OS Vulnerability CVSS 4.0HIGH 8.5
TI-2025-28455 F5OS-A/C CLI vulnerability CVSS 4.0HIGH 8.3
TI-2022-20188 F5OS vulnerability CVE-2022-41835 CVSS 3.1HIGH 8.8

See all 16 →

Sources

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