CVE-2025-61955: F5OS vulnerability

Published Oct 15, 2025
·
Updated

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.

Affected Software

6 affected componentsFixes available
F5 F5OS-A=1.8.0, >=1.5.1<=1.5.3
1.8.31.5.4
F5 F5OS-C>=1.8.0<=1.8.1, >=1.6.0<=1.6.2, =3
1.8.21.6.4
F5 F5OS-A>=1.5.1<1.5.4
F5 F5OS-A=1.8.0
F5 F5OS-C>=1.6.0<=1.6.2
F5 F5OS-C>=1.8.0<1.8.2

Event History

Oct 15, 2025
Advisory Published
via F5·10:05 AM
Data Sourced
via F5·10:05 AM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·01:55 PM
Data Sourced
via MITRE·01:55 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-61955?

CVE-2025-61955 is classified as a critical vulnerability that allows an authenticated attacker to escalate privileges.

2

How do I fix CVE-2025-61955?

To fix CVE-2025-61955, upgrade your F5OS-A or F5OS-C systems to the latest software versions recommended by F5.

3

Which software versions are affected by CVE-2025-61955?

CVE-2025-61955 affects F5OS-A versions 1.5.1 to 1.5.3 and 1.8.0, as well as F5OS-C versions 1.6.0 to 1.8.1 and version 3.

4

Can CVE-2025-61955 be exploited remotely?

No, CVE-2025-61955 requires local access for an authenticated attacker to successfully exploit the vulnerability.

5

Is there a known workaround for CVE-2025-61955?

Currently, there are no known workarounds for CVE-2025-61955, and upgrading the affected systems is the recommended course of action.

Company

Resources

Contact

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