CVE-2025-7693

criticalpriority · track · 0EPSS 0.004 · 30 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.37% (30th) EPSS

CVSS 9.8 · critical

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cisa_csaf_ot

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedPLC Micro850 L50Ecisa_csaf_ot
PLC Micro850 L50E: V23.011 and later
https://www.rockwellautomation.com/en-ca/support/product/product-downloads.html
FixedPLC Micro870 L70Ecisa_csaf_ot
PLC Micro870 L70E: V23.011 and later
https://www.rockwellautomation.com/en-ca/support/product/product-downloads.html
MitigationPLC Micro850 L50Ecisa_csaf_ot
Rockwell Automation recommends the following updates:
MitigationPLC Micro870 L70Ecisa_csaf_ot
Rockwell Automation recommends the following updates:

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · PSIRT@rockwellautomation.com

v4.08.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20US

affected products (5)

Products and version ranges known to be affected.

Rockwell Automation PLC Micro850 L50E: >=V20.011|<=V22.011all versionscisa_csaf_otUS
Rockwell Automation PLC Micro870 L70E: >=V20.011|<=V22.011all versionscisa_csaf_otUS
Rockwell Automation PLC Micro850 L50EV20.011| → V22.011cisa_csaf_otUS
Rockwell Automation PLC Micro870 L70EV20.011| → V22.011cisa_csaf_otUS
Rockwell Automation PLC - Micro850 L50E≤ V20.011 - V22.011enisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-25-226-25Rockwell Automation Micro8002025-08-14icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could result in remote code execution or may lead to privilege escalation.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot NVD CVE.org MITRE

published 2025-08-18modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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