free5GC is an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 of free5GC's AMF service have a Buffer Overflow vulnerability leading to Denial of Service. Remote unauthenticated attackers can crash the AMF service by sending a specially crafted NAS Registration Request with a malformed 5GS Mobile Identity, causing complete denial of service for the 5G core network. All deployments of free5GC using the AMF component may be affected. Pull request 43 of the free5gc/nas repo contains a fix. No direct workaround is available at the application level. Applying the official patch is recommended.
CVE-2025-69248
“—” beside the score: it is equal to NVD's CVSS score.
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.7% (51st percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.
Also known asEUVD-2025-207568 (ENISA EUVD)Source: ENISA EUVD
- High severity, but no confirmed exploitation yet
A fix is referenced (a reference tagged "Patch", often a source commit), but no release containing it is confirmed — find the release that contains it; until it is applied, mitigate (WAF / firewall / segmentation).
- CVSS v3
- 7.5
- EG Score
- 7.5HIGHmedium confidence
- EG Risk
- 49EG Risk 49/100
EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.
How it’s computed (value × EchelonGraph’s weight)Severity75% × 45%Impact severity (EG Severity): CVSS 7.5 of 10. Never the KEV-floored or EPSS-lifted EG Score.Exploitation0.7% × 40%FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.Automatability100% × 15%CISA's SSVC Automatable value: yes (Vulnrichment).SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.Action: A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it; until one is applied, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule at low or medium mission impact and sooner than that at high. - EPSS PROB
- 0.7%
- EPSS %ILE
- 51st
- KEV
- Not listed
What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)
The EG score (7.5): severity, escalated by confirmed exploitation. This CVE's 7.5 is its impact severity (EG Severity), not escalated.
- EG Severity
- 7.5 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.NVD CVSS v3 · CVSS v3.0 or v3.1
- EG Likelihood
- 0.7% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-31). FIRST's exploitation probability, not an EchelonGraph model.
- Confirmed exploitation
- None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
- EG Priority
- SSVC Track at medium mission impactTrack at low or medium mission impact; Attend at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; 60 days if it is not.No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.
SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Attend at high (mission-essential systems).
A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it; until one is applied, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule at low or medium mission impact and sooner than that at high.
Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table
BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; 60 days if it is not.
No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says.
The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it
Published
February 23, 2026
Last Modified
June 17, 2026
Advisory Details (4)
Auto-updated Aug 2, 2026fix: prevent panic in MobileIdentity5GS getters on malformed input
Fix merged in free5gc/nas PR #43 on 2026-01-21 — awaiting tagged release
https://github.com/free5gc/nas/pull/43commit 0329a7ac3f31 (free5gc/nas)
Fix landed in free5gc/nas commit 0329a7ac3f31 — awaiting tagged release
https://github.com/free5gc/nas/commit/0329a7ac3f314f210366c1b3c33dc29eded4ac5fArray Index Out of Bounds in AMF Leading to Denial of Service · Advisory · free5gc/free5gc · GitHub
https://github.com/free5gc/free5gc/security/advisories/GHSA-h6xc-8vvf-jcjp[Bugs] Array Index Out of Bounds Vulnerability in AMF MobileIdentity5GS Processing Causes AMF Crash · Issue #747 · free5gc/free5gc · GitHub
https://github.com/free5gc/free5gc/issues/747Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 39× in last 30d)
Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.
Showing the most recent 99 of 109 refreshes on record for this CVE.
A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 1 repeat row among the latest 100 is merged into the row it repeats. The 10 oldest rows on record are not shown and were not checked, so the counts can still include repeats.
- 2026-11-01 16:33 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-31 22:25 UTCEG score recompute
- 2026-10-31 16:31 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-30 16:33 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-29 16:32 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-28 16:30 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-27 16:30 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-26 16:30 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-25 16:31 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-25 16:03 UTCEG score recompute
- 2026-10-24 22:16 UTCEG score recompute
- 2026-10-24 16:31 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-10-23 16:31 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-10-22 16:33 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-10-21 16:31 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-10-20 16:31 UTCEPSS rescoreEPSS 0.6% · 47th percentile
- 2026-10-19 16:31 UTCEPSS rescoreEPSS 0.6% · 47th percentile
- 2026-10-18 16:31 UTCEPSS rescoreEPSS 0.6% · 47th percentile
- 2026-10-18 05:16 UTCEG score recompute
- 2026-10-17 22:15 UTCEG score recompute
- 2026-10-17 16:33 UTCEPSS rescoreEPSS 0.6% · 47th percentile
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- 2026-10-15 16:31 UTCEPSS rescoreEPSS 0.6% · 47th percentile
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- 2026-10-12 16:46 UTCEG score recompute
- 2026-10-12 16:33 UTCEPSS rescoreEPSS 0.6% · 47th percentile
- 2026-10-11 20:21 UTCEG score recompute
- 2026-10-11 18:33 UTCEG score recompute
- 2026-10-11 15:07 UTCEG score recompute
- 2026-10-11 13:47 UTCEPSS rescoreEPSS 0.6% · 46th percentile
- 2026-10-10 19:59 UTCEPSS rescoreEPSS 0.6% · 46th percentile
- 2026-10-09 20:06 UTCEPSS rescoreEPSS 0.6% · 46th percentile
- 2026-10-09 06:28 UTCOSV refresh
- 2026-10-08 17:11 UTCEPSS rescoreEPSS 0.6% · 46th percentile
- 2026-10-07 23:47 UTCEPSS rescoreEPSS 0.6% · 46th percentile
- 2026-10-06 15:17 UTCEPSS rescoreEPSS 0.6% · 46th percentile
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- 2026-10-01 19:49 UTCEPSS rescoreEPSS 0.6% · 46th percentile
- 2026-09-30 15:02 UTCEPSS rescoreEPSS 0.6% · 46th percentile
- 2026-09-29 15:20 UTCEPSS rescoreEPSS 0.6% · 45th percentile
- 2026-09-28 13:50 UTCEPSS rescoreEPSS 0.6% · 45th percentile
- 2026-09-26 15:58 UTCEPSS rescoreEPSS 0.6% · 45th percentile
- 2026-09-24 14:02 UTCEPSS rescoreEPSS 0.6% · 45th percentile
- 2026-09-23 13:47 UTCEPSS rescoreEPSS 0.6% · 46th percentile
- 2026-09-20 20:15 UTCEPSS rescoreEPSS 0.6% · 45th percentile
- 2026-09-19 13:33 UTCOSV refresh
- 2026-09-18 19:27 UTCEPSS rescoreEPSS 0.6% · 45th percentile
- 2026-09-17 19:30 UTCEPSS rescoreEPSS 0.6% · 45th percentile
- 2026-09-16 14:07 UTCEPSS rescoreEPSS 0.6% · 45th percentile
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- 2026-09-02 14:11 UTCEPSS rescoreEPSS 0.6% · 44th percentile
- 2026-09-01 13:53 UTCEPSS rescoreEPSS 0.6% · 44th percentile
- 2026-08-31 17:04 UTCOSV refresh
- 2026-08-30 01:21 UTCEPSS rescoreEPSS 0.6% · 44th percentile
- 2026-08-28 21:40 UTCEPSS rescoreEPSS 0.6% · 44th percentile
- 2026-08-27 14:24 UTCEPSS rescoreEPSS 0.6% · 44th percentile
- 2026-08-26 14:45 UTCEPSS rescoreEPSS 0.6% · 44th percentile
- 2026-08-25 13:48 UTCEPSS rescoreEPSS 0.6% · 44th percentile
- 2026-08-24 14:16 UTCEPSS rescoreEPSS 0.6% · 44th percentile
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- 2026-08-14 09:11 UTCEG score recompute
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- 2026-08-10 23:59 UTCEPSS rescoreEPSS 0.6% · 43rd percentile
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- 2026-08-09 13:46 UTCEPSS rescoreEPSS 0.6% · 43rd percentile
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- 2026-08-08 16:36 UTCEPSS rescoreEPSS 0.6% · 43rd percentile
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- 2026-08-07 16:27 UTCEPSS rescoreEPSS 0.6% · 43rd percentile
- 2026-08-06 13:46 UTCEPSS rescoreEPSS 0.6% · 43rd percentile
- 2026-08-06 03:10 UTCEG score recompute
- 2026-08-05 19:17 UTCEPSS rescoreEPSS 0.6% · 43rd percentile
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Frequently asked(5)
What is CVE-2025-69248?
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Dependency Blast Radius
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