CVE-2026-75352: n/a
Description
OpENer version 2.3 (commit 76b95cf) contains an integer underflow vulnerability in the server-side EtherNet/IP ForwardOpen connection-path parser. This flaw allows a remote attacker to cause a denial of service condition on the affected system.
Affected software
pkg:github/eipstackgroup/OpENerRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-75352 is an integer underflow vulnerability in OpENer v2.3 at commit 76b95cf. The vulnerability exists in the server-side EtherNet/IP ForwardOpen connection-path parser, where improper handling of integer values can lead to an underflow. This flaw enables a remote attacker to trigger a denial of service by exploiting the parsing logic.
Potential Impact
Successful exploitation of this vulnerability results in a denial of service condition, potentially disrupting the availability of the affected OpENer service. There is no information about further impact such as code execution or data disclosure.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor for updates from the vendor and consider restricting access to the affected service to trusted networks to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-08-17T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6ac9371a2cdf04f6567916f9
Added to database: 10/09/2026, 18:48:58 UTC
Last enriched: 10/09/2026, 19:04:47 UTC
Last updated: 10/09/2026, 19:08:12 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.