CVE-2026-3631
Buffer Over-read DoS Vulnerability in COMMGR2
Delta Electronics COMMGR2 has
Buffer Over-read DoS vulnerability.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Buffer Over-read DoS Vulnerability in COMMGR2
Delta Electronics COMMGR2 has
Buffer Over-read DoS vulnerability.
- Record
CVE-2026-3631- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2026-10287
Delta Electronics COMMGR2 has
Buffer Over-read DoS vulnerability.
- Record
EUVD-2026-10287- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q5cv-phmc-fwgp
Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
Delta Electronics COMMGR2 has
Buffer Over-read DoS vulnerability.
- Record
GHSA-q5cv-phmc-fwgp- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Delta Electronics COMMGR2 has
Buffer Over-read DoS vulnerability.
- Record
CVE-2026-3631- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-3631 is a high vulnerability (CVSS 7.5) in Deltaww Commgr2, published March 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 59th percentile. No source names a fixed version.