CVE-2026-75346 Denial of service in n/a
A remote attacker can cause a denial of service in OpENer via an out-of-bounds read in the CIP SetAttributeList service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-75346?
CVE-2026-75346 is a high-severity denial of service vulnerability in n/a, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out-of-bounds read vulnerability exists in EIPStackGroup OpENer v2.3 and master through commit 76b95cf in the server-side CIP SetAttributeList service. This allows a remote attacker to cause a denial of service
Weakness: CWE-125
Which versions are affected by CVE-2026-75346?
How do I fix CVE-2026-75346?
No fix has been published for CVE-2026-75346 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-75346 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75346 exists.
Sources
Also known as GHSA-9w4r-w48h-rx76.