9.3

CVE-2025-7693: rockwell automation plc - micro850 l50e Improper Input Validation

CVSS: 9.3v4.0CriticalDeferred
Published 18-08-2025Last modified 18-08-2025
Open JSON

Vulnerability summary

CVE-2025-7693 is a critical (CVSS 9.3) Improper Input Validation vulnerability in rockwell automation plc - micro850 l50e. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
Critical · v4.0 (CVE.org)
EPSS score
0.37%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-08-2025
    PublishedVulnerability first disclosed.
  2. 18-08-2025
    Last modifiedVulnerability information updated.

Description

A security issue exists due to improper handling of malformed CIP Forward Close packets during fuzzing. The controller enters a solid red Fault LED state and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF015. To recover, clear the fault.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

0.00 pp

From 0.37% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Rockwell automation1 product

1 vendor · 1 product

References

1 links