Buffer Over-read DoS Vulnerability in COMMGR2
Priority MEDIUM 41CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00895 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3631
- 2026-10-03 Alias added: GHSA-q5cv-phmc-fwgp
- 2026-10-25 EPSS moved to the 50th–90th percentile
- 2026-10-25 Priority changed: LOW → MEDIUM
References
More deltaww Commgr2 vulnerabilities
- TI-2026-03130 Stack-based Buffer Overflow Vulnerability in COMMGR2 CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-3631 · CVE Program
- CVE-2026-3631 · NVD
- FIRST EPSS
- GHSA-q5cv-phmc-fwgp · 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