CVE-2025-61955
F5OS vulnerability
Description
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.
INFO
Published Date :
Oct. 15, 2025, 2:15 p.m.
Last Modified :
Oct. 16, 2025, 3:28 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 9dacffd4-cb11-413f-8451-fbbfd4ddc0ab | ||||
| CVSS 3.1 | HIGH | 9dacffd4-cb11-413f-8451-fbbfd4ddc0ab | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 9dacffd4-cb11-413f-8451-fbbfd4ddc0ab | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update F5OS-A systems to the latest supported version.
- Update F5OS-C systems to the latest supported version.
- Restrict local access to authenticated users only.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-61955.
| URL | Resource |
|---|---|
| https://my.f5.com/manage/s/article/K000156771 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-61955 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-61955
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-61955 vulnerability anywhere in the article.
-
TheCyberThrone
Inside the F5 BIG-IP 2025 Security Incident: Source Code Theft and Urgent Patch Release
OverviewIn October 2025, F5 Networks disclosed a significant cybersecurity incident involving a sophisticated nation-state threat actor who breached its corporate networks. This breach, detected initi ... Read more
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CybersecurityNews
Over 269,000 F5 Devices Exposed Online After Major Breach: U.S. Faces Largest Risk
Over 269,000 F5 devices are reportedly exposed to the public internet daily, according to data from The Shadowserver Foundation. This exposure comes at a critical time following F5’s disclosure of a s ... Read more
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CybersecurityNews
F5 Released Security Updates Covering Multiple Products Following Recent Hack
F5 Networks, a leading provider of application security and delivery solutions, has disclosed a significant security breach involving a nation-state threat actor, prompting the release of critical upd ... Read more
The following table lists the changes that have been made to the
CVE-2025-61955 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Oct. 15, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-95 Added Reference https://my.f5.com/manage/s/article/K000156771