Read the docs
TI-2026-03131 Aliases CVE-2026-3631GHSA-q5cv-phmc-fwgp

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

VendorProductAffected versionsFixed inStatusSource
deltawwCOMMGR2up to 2.11.0—No fix listedCNA
  • COMMGR2 Vendordeltaww Affected up to 2.11.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:deltaww:commgr2:*:*:*:*:*:*:*:*before 2.11.1Vulnerabledeltaww
  • cpe:2.3:a:deltaww:commgr2:*:*:*:*:*:*:*:* Versions before 2.11.1 Vulnerable ·deltaww

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3631
  2. 2026-10-03 Alias added: GHSA-q5cv-phmc-fwgp
  3. 2026-10-25 EPSS moved to the 50th–90th percentile
  4. 2026-10-25 Priority changed: LOW → MEDIUM

References

  • TI-2026-03130 Stack-based Buffer Overflow Vulnerability in COMMGR2 CVSS 3.1CRITICAL 9.8

Sources