BIG-IQ and F5OS
CVE-2025-57780: F5OS Vulnerability
A vulnerability exists in F5OS-A and F5OS-C system that may allow an authenticated attacker with local access to escalate their privileges.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 4.0 8.5
EPSS0.21%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| F5OS - Appliance 1.8 | 1.8.3 or later |
| F5OS - Appliance 1.5 | 1.5.4 or later |
| F5OS - Chassis 1.8 | 1.8.2 or later |
| F5OS - Chassis 1.6 | 1.6.4 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A vulnerability exists in F5OS-A and F5OS-C system 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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 12 Oct 2026.