CVE-2025-29632: free5gc Classic Buffer Overflow
CVSS: 5.4v3.1MediumAnalyzed
Published 29-05-2025Last modified 29-05-2025
Vulnerability summary
CVE-2025-29632 is a medium (CVSS 5.4) Classic Buffer Overflow vulnerability in free5gc. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 29-05-2025PublishedVulnerability first disclosed.
- 29-05-2025Last modifiedVulnerability information updated.
Description
Buffer Overflow vulnerability in Free5gc v.4.0.0 allows a remote attacker to cause a denial of service via the AMF, NGAP, security.go, handler_generated.go, handleInitialUEMessageMain, DecodePlainNasNoIntegrityCheck, GetSecurityHeaderType components
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:NSourcesAll 2 agree
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
0.00 pp
From 0.35% on 19-09-2026
19-09-202619-10-2026
EPSS score0.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundFree5Gc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Free5gc1 product
- free5gc4.0.0
1 vendor · 1 product
References
2 links- github.com/OHnogood/CVE-2025-29632/Third Party Advisory