Vulnerability · CVE-2025-56394
Free5gc 4.0.1 is vulnerable to Buffer Overflow.
Published Sep 23, 2025 · catalog updated Sep 24, 2025 · Free5gc 4.0.1 is vulnerable
Last checked Oct 29, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-56394. EPSS is 0.42%. Act only if a listed version of Free5gc 4.0.1 is vulnerable is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Free5gc 4.0.1 is vulnerable).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-107079 · Unknown
- CVE-2026-95168 · High
- CVE-2025-60475 · Medium
- CVE-2025-60494 · Unknown
- CVE-2025-60496 · Unknown
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.42%
- Remediation
- Vendor / distro source
- Affected products
- vendor n/a n/a n/a
Free5gc 4.0.1 is vulnerable to Buffer Overflow. The AMF incorrectly validates the 5GS mobile identity, resulting in slice reference overflow.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor n/a n/a n/an/a
How to fix CVE-2025-56394
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-56394. EPSS is 0.42%. Act only if a listed version of Free5gc 4.0.1 is vulnerable is installed.
Which versions are affected?
Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.42%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Sep 23, 2025 · EUVD
Detected
Free5gc 4.0.1 is vulnerable to Buffer Overflow. The AMF incorrectly validates the 5GS mobile identity, resulting in slice reference overflow.
Sep 24, 2025 · EUVD
Updated
Free5gc 4.0.1 is vulnerable to Buffer Overflow. The AMF incorrectly validates the 5GS mobile identity, resulting in slice reference overflow.
Sources
- CVE.orgVulnerability recordCVE-2025-56394
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-56394
30-day exploitation probability 0.42%
first.org - EUVDVulnerability recordEUVD-2025-30911
Free5gc 4.0.1 is vulnerable to Buffer Overflow. The AMF incorrectly validates the 5GS mobile identity, resulting in slice reference overflow.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 29, 2026
- CVE.orgOct 23, 2026
- EUVDOct 23, 2026