Auth bypass in Rockwell Automation Comms - 1783-Natr
CVE-2025-7328
Multiple Broken Authentication security issues exist in the affected product. The security issues are due to missing authentication checks on critical functions. These could result in potential denial-of-service, admin account takeover, or NAT rule modifications. Devices would no longer be able to communicate through NATR as a result of denial-of-service or NAT rule modifications. NAT rule modification could also result in device communication to incorrect endpoints. Admin account takeover could allow modification of configuration and require physical access to restore.
Vulnerability class: Broken Authentication
EPSS: 0.005 (41.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Rockwell Automation Comms - 1783-natr — versions Version 1.006 and prior
- Rockwellautomation 1783-natr
- Rockwellautomation 1783-natr_firmware
Weakness classification (CWE)
References
- PSIRT@rockwellautomation.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-7328?
- CVE-2025-7328 is a critical-severity vulnerability in Rockwell Automation Comms - 1783-Natr, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-10-14.
- How severe is CVE-2025-7328?
- Critical severity. CVSS v3 base score is 9.8 out of 10.