CVE-2025-3898

MEDIUM

Schneider Electric Modicon M241/M251 <5.3.12.51 & M262 <5.3.9.18 Authenticated DoS via Invalid HTTPS Data

Title source: llm

Description

CWE-20: Improper Input Validation vulnerability exists that could cause Denial of Service when an authenticated malicious user sends HTTPS request containing invalid data type to the webserver.

References (1)

Core 1

Core References

Various Sources

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2025-161-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2025-161-02.pdf

Scores

CVSS v3 6.5

EPSS 0.0043

EPSS Percentile 34.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (2)

Schneider Electric/Modicon Controllers M241/M251 Versions prior to 5.3.12.51

Schneider Electric/Modicon Controllers M262 Versions prior to 5.3.9.18

Published Jun 10, 2025

Tracked Since Feb 18, 2026