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VulnerabilityPublished

CVE-2025-9124: Rockwell Automation Compact GuardLogix® 5370 · Uncaught Exception

Affects Rockwell Automation Compact GuardLogix® 5370Source CVE Database V5

0

Not known to be exploited · CVSS 8.7 High.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
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:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Rockwell Automation Compact GuardLogix® 5370Affected
  • <=30.012
Fixed in–

AI-suggested

  1. Monitor Rockwell Automation’s advisories closely and apply firmware updates or patches as soon as they become available to address CVE-2025-9124.
  2. Implement strict network segmentation to isolate industrial control systems from general IT networks and the internet, reducing exposure to crafted CIP messages.
  3. Deploy deep packet inspection and protocol-aware firewalls to filter and block unauthorized or malformed CIP unconnected explicit messages.
  4. Use intrusion detection/prevention systems (IDS/IPS) tuned to detect anomalous CIP traffic patterns indicative of exploitation attempts.
  5. Enforce strict access controls and network authentication mechanisms for devices communicating with Compact GuardLogix® 5370 controllers.
  6. Conduct regular security audits and vulnerability assessments focused on industrial control networks to identify and remediate exposure points.
  7. Develop and test incident response plans specific to industrial control system disruptions to minimize downtime and safety risks.
  8. 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.

References

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