Vulnerability · CVE-2026-3631
Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
Published Mar 9, 2026 · catalog updated Jun 17, 2026 · Delta Electronics COMMGR2 has
Check if you run it
No confirmed exploitation is on record for CVE-2026-3631. EPSS is 0.48%. Act only if a listed version of Delta Electronics COMMGR2 has is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Delta Electronics COMMGR2 has).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.48%
- Remediation
- Advisory link
- Affected products
- cpe deltaww/commgr2
Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe deltaww/commgr2version unspecified
How to fix CVE-2026-3631
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-3631. EPSS is 0.48%. Act only if a listed version of Delta Electronics COMMGR2 has is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-125: Out-of-bounds Read. EPSS 0.48%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 9, 2026 · NIST NVD
Detected
Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
Jun 17, 2026 · NIST NVD
Updated
Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
Sources
- CVE.orgVulnerability recordCVE-2026-3631
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-3631
30-day exploitation probability 0.5%
first.org - NIST NVDVulnerability recordCVE-2026-3631
Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.