CVE-2025-41770

HIGHCVSS 7.5/10

Last modified

CVE-2025-41770 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An unauthenticated denial-of-service vulnerability in the device's PLCnext Engineer communication interface allow an remote attacker to interrupt access via the client application. Successful exploitation prevents communication until the PLCnext service is manually restarted..

Description

An unauthenticated denial-of-service vulnerability in the device's PLCnext Engineer communication interface allow an remote attacker to interrupt access via the client application. Successful exploitation prevents communication until the PLCnext service is manually restarted.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0
8.7/10

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/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:X

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Phoenix ContactAXC F 1152>= 2019.0.4, < 2026.0.3
Phoenix ContactAXC F 1252>= 2019.0.4, < 2026.0.3
Phoenix ContactAXC F 2000 EA>= 2019.0.4, < 2026.0.3
Phoenix ContactAXC F 2152>= 2019.0.4, < 2026.0.3
Phoenix ContactAXC F 3152>= 2019.0.4, < 2026.0.3
Phoenix ContactBPC 9102S>= 2019.0.4, < 2026.0.3
Phoenix ContactBPC 9202S>= 2019.0.4, < 2026.0.3
Phoenix ContactRFC 4072R>= 2019.0.4, < 2026.0.3
Phoenix ContactRFC 4072S>= 2019.0.4, < 2026.0.3
Phoenix ContactVL3 UPC 2440 EDGE>= 2019.0.4, < 2026.0.3
Phoenix ContactVPLCNEXT CONTROL 1000>= 2019.0.4, < 2026.0.3
Phoenix ContactVPLCNEXT CONTROL 2000>= 2019.0.4, < 2026.0.3
Phoenix ContactVPLCNEXT CONTROL 3000>= 2019.0.4, < 2026.0.3
Phoenix ContactVPLCNEXT CONTROL 500>= 2019.0.4, < 2026.0.3
Phoenix ContactCatan C1>= 2019.0.4, < 2026.0.3
Phoenix ContactEPC 1502>= 2019.0.4, < 2026.0.3
Phoenix ContactEPC 1522>= 2019.0.4, < 2026.0.3

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2025-41770?
An unauthenticated denial-of-service vulnerability in the device's PLCnext Engineer communication interface allow an remote attacker to interrupt access via the client application. Successful exploitation prevents communication until the PLCnext service is manually restarted.
How severe is CVE-2025-41770?
CVE-2025-41770 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2025-41770?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST