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CVE-2025-24812

HIGHCVSS 7.1/10EPSS 0.51%

Last modified

CVE-2025-24812 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. A vulnerability has been identified in SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1211C DC/DC/DC (6ES7211-1AE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1211C DC/DC/Rly (6ES7211-1HE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212C AC/DC/Rly (6ES7212-1BE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212C DC/DC/DC (6ES7212-1AE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212C DC/DC/Rly (6ES7212-1HE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212FC DC/DC/DC (6ES7212-1AF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212FC DC/DC/Rly (6ES7212-1HF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214C AC/DC/Rly (6ES7214-1BG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214C DC/DC/DC (6ES7214-1AG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214C DC/DC/Rly (6ES7214-1HG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214FC DC/DC/DC (6ES7214-1AF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214FC DC/DC/Rly (6ES7214-1HF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215C AC/DC/Rly (6ES7215-1BG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215C DC/DC/DC (6ES7215-1AG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215C DC/DC/Rly (6ES7215-1HG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215FC DC/DC/DC (6ES7215-1AF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215FC DC/DC/Rly (6ES7215-1HF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1217C DC/DC/DC (6ES7217-1AG40-0XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL (6AG2212-1AE40-1XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL (6AG2214-1AG40-1XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214FC DC/DC/DC (6AG1214-1AF40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214FC DC/DC/RLY (6AG1214-1HF40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215C DC/DC/DC (6AG1215-1AG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215FC DC/DC/DC (6AG1215-1AF40-5XB0) (All versions < V4.7). Affected devices do not process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1211C DC/DC/DC (6ES7211-1AE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1211C DC/DC/Rly (6ES7211-1HE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212C AC/DC/Rly (6ES7212-1BE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212C DC/DC/DC (6ES7212-1AE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212C DC/DC/Rly (6ES7212-1HE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212FC DC/DC/DC (6ES7212-1AF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212FC DC/DC/Rly (6ES7212-1HF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214C AC/DC/Rly (6ES7214-1BG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214C DC/DC/DC (6ES7214-1AG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214C DC/DC/Rly (6ES7214-1HG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214FC DC/DC/DC (6ES7214-1AF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214FC DC/DC/Rly (6ES7214-1HF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215C AC/DC/Rly (6ES7215-1BG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215C DC/DC/DC (6ES7215-1AG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215C DC/DC/Rly (6ES7215-1HG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215FC DC/DC/DC (6ES7215-1AF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215FC DC/DC/Rly (6ES7215-1HF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1217C DC/DC/DC (6ES7217-1AG40-0XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL (6AG2212-1AE40-1XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL (6AG2214-1AG40-1XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214FC DC/DC/DC (6AG1214-1AF40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214FC DC/DC/RLY (6AG1214-1HF40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215C DC/DC/DC (6AG1215-1AG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215FC DC/DC/DC (6AG1215-1AF40-5XB0) (All versions < V4.7). Affected devices do not process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

Metrics

CVSS 3.1
6.5/10

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

CVSS 4.0
7.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

EPSS Probability
0.51%

39.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-24812?
A vulnerability has been identified in SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1211C DC/DC/DC (6ES7211-1AE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1211C DC/DC/Rly (6ES7211-1HE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212C AC/DC/Rly (6ES7212-1BE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212C DC/DC/DC (6ES7212-1AE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212C DC/DC/Rly (6ES7212-1HE40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212FC DC/DC/DC (6ES7212-1AF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1212FC DC/DC/Rly (6ES7212-1HF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214C AC/DC/Rly (6ES7214-1BG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214C DC/DC/DC (6ES7214-1AG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214C DC/DC/Rly (6ES7214-1HG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214FC DC/DC/DC (6ES7214-1AF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1214FC DC/DC/Rly (6ES7214-1HF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215C AC/DC/Rly (6ES7215-1BG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215C DC/DC/DC (6ES7215-1AG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215C DC/DC/Rly (6ES7215-1HG40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215FC DC/DC/DC (6ES7215-1AF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1215FC DC/DC/Rly (6ES7215-1HF40-0XB0) (All versions < V4.7), SIMATIC S7-1200 CPU 1217C DC/DC/DC (6ES7217-1AG40-0XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL (6AG2212-1AE40-1XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL (6AG2214-1AG40-1XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214FC DC/DC/DC (6AG1214-1AF40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1214FC DC/DC/RLY (6AG1214-1HF40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-2XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-4XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215C DC/DC/DC (6AG1215-1AG40-5XB0) (All versions < V4.7), SIPLUS S7-1200 CPU 1215FC DC/DC/DC (6AG1215-1AF40-5XB0) (All versions < V4.7). Affected devices do not process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
How severe is CVE-2025-24812?
CVE-2025-24812 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.
How do I fix CVE-2025-24812?
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.

Are you affected by CVE-2025-24812?

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Source: NVD / NIST