CVE-2025-9124: Rockwell Automation Compact GuardLogix® 5370 · Uncaught Exception
Affects Rockwell Automation Compact GuardLogix® 5370Source CVE Database V5
Not known to be exploited · CVSS 8.7 High.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Rockwell Automation Compact GuardLogix® 5370 | Affected
| Fixed in– |
AI-suggested
- Monitor Rockwell Automation’s advisories closely and apply firmware updates or patches as soon as they become available to address CVE-2025-9124.
- Implement strict network segmentation to isolate industrial control systems from general IT networks and the internet, reducing exposure to crafted CIP messages.
- Deploy deep packet inspection and protocol-aware firewalls to filter and block unauthorized or malformed CIP unconnected explicit messages.
- Use intrusion detection/prevention systems (IDS/IPS) tuned to detect anomalous CIP traffic patterns indicative of exploitation attempts.
- Enforce strict access controls and network authentication mechanisms for devices communicating with Compact GuardLogix® 5370 controllers.
- Conduct regular security audits and vulnerability assessments focused on industrial control networks to identify and remediate exposure points.
- Develop and test incident response plans specific to industrial control system disruptions to minimize downtime and safety risks.
- Train operational technology (OT) personnel on recognizing and responding to signs of denial-of-service attacks targeting control devices. These measures go beyond generic advice by focusing on network-level protections tailored to the CIP protocol and the operational environment of Rockwell Automation controllers.
Description
A denial-of-service security issue in the affected product. The security issue stems from a fault occurring when a crafted CIP unconnected explicit message is sent. This can result in a major non-recoverable fault.