CVE-2025-11698 CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow
A buffer overflow in Rockwell PLC boot firmware allows attackers to cause a major non-recoverable fault via invalid file data.
- 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-2025-11698?
CVE-2025-11698 is a critical memory corruption vulnerability in Rockwell Automation CompactLogix® 5380 Recovery Image Compact GuardLogix® 5380 Recovery Image CompactLogix® 5480 Recovery Image ControlLogix® 5580 Recovery Image GuardLogix® 5580 Recovery Image, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial-of-service issue exists in 5380/5480/5580 controllers boot firmware lower than version 1.072. This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to enter a major non-recoverable fault (MNRF).
Weakness: CWE-120
Which versions are affected by CVE-2025-11698?
How do I fix CVE-2025-11698?
No fix has been published for CVE-2025-11698 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-11698 being exploited?
There is no known exploitation of CVE-2025-11698 in the wild and no public exploit code.
Sources
Also known as GHSA-w4jq-g2m7-xj78.