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CVE-2025-9368VulnerabilityPublished

CVE-2025-9368: Rockwell Automation 432ES-IG3 Series A · Unthrottled Resource Allocation

Affects Rockwell Automation 432ES-IG3 Series ASource CVE Database V5

0

Not known to be exploited · CVSS 8.7 High.

Data as of 26 Oct 2026, 06:26 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 30% 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 9 Dec 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 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Rockwell Automation 432ES-IG3 Series AAffected
  • =1.001
Fixed in–

AI-suggested

1. Implement strict network segmentation to isolate the 432ES-IG3 devices from general IT networks and limit exposure to untrusted networks. 2. Deploy firewall rules and access control lists (ACLs) to restrict incoming traffic to only trusted sources and protocols necessary for device operation. 3. Monitor network traffic for unusual patterns or spikes that could indicate attempts to exploit resource allocation. 4. Establish incident response procedures to quickly identify and manually power cycle affected devices if a DoS condition occurs. 5. Engage with Rockwell Automation for updates and patches, and plan for timely deployment once available. 6. Consider deploying intrusion detection/prevention systems (IDS/IPS) tuned to detect anomalous traffic targeting EtherNet/IP interfaces. 7. Conduct regular security assessments and penetration tests focusing on OT environments to identify similar vulnerabilities. 8. Train operational staff on recognizing symptoms of device unavailability and recovery procedures to minimize downtime.

Description

A security issue exists within 432ES-IG3 Series A, which affects GuardLink® EtherNet/IP Interface, resulting in denial-of-service. A manual power cycle is required to recover the device.

References

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