CVE-2026-75352 Integer overflow in n/a
A remote attacker can cause a denial of service in OpENer via an integer underflow in the ForwardOpen connection-path parser.
- 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-2026-75352?
CVE-2026-75352 is a high-severity 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
OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service
Weakness: CWE-191
Which versions are affected by CVE-2026-75352?
How do I fix CVE-2026-75352?
No fix has been published for CVE-2026-75352 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-75352 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75352 exists.
Sources
Also known as GHSA-fgff-hw4c-vx3q.