OpenAirInterface CN5G AMF<=v2.0.1 There is a logical error when processing JSON format…
Priority HIGH 72CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
OpenAirInterface CN5G AMF<=v2.0.1 There is a logical error when processing JSON format requests. Unauthorized remote attackers can send malicious JSON data to AMF's SBI interface to launch a denial-of-service attack.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00372 31st percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openairinterface:oai-cn5g-amf:*:*:*:*:*:*:*:* | up to 2.0.1 | Vulnerable | Openairinterface |
- cpe:2.3:a:openairinterface:oai-cn5g-amf:*:*:*:*:*:*:*:* Versions up to 2.0.1 Vulnerable ·Openairinterface
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-66786
- 2026-10-03 Alias added: GHSA-62p9-m62j-p76m
References
More Openairinterface Oai-cn5g-amf vulnerabilities
- TI-2026-23446 OpenAirInterface v2.2.0 accepts Security Mode Complete without any integrity protection. CVSS 3.1HIGH 7.5
- TI-2026-23444 OpenAirInterface V2.2.0 AMF crashes when it receives an NGAP message with invalid… CVSS 3.1HIGH 7.5
- TI-2026-23442 OpenAirInterface Version 2.2.0 has a Buffer Overflow vulnerability in processing… CVSS 3.1HIGH 7.5
- TI-2025-40453 OpenAirInterface CN5G AMF<=v2.1.9 has a buffer overflow vulnerability in processing NAS… CVSS 3.1HIGH 7.5
- TI-2026-23445 In OpenAirInterface V2.2.0 AMF, Out of sequence messages causes incorrect state… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-66786 · CVE Program
- CVE-2025-66786 · NVD
- FIRST EPSS
- GHSA-62p9-m62j-p76m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences