Detections
Analytics

Schneider Electric Modicon M241, M251, and M262 Improper Resource Shutdown or Release (CVE-2025-13901)

medium Tenable OT Security Plugin ID 505515

Synopsis

The remote OT asset is affected by a vulnerability.

Description

CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an unauthenticated attacker sends malicious payload to occupy active communication channels.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

See Also

https://www.cisa.gov/news-events/ics-advisories/icsa-26-078-01

http://www.nessus.org/u?dc6f68dd

Plugin Details

Severity: Medium

ID: 505515

File Name: tenable_ot_schneider_CVE-2025-13901.nasl

Version: 1.3

Type: Remote

Family: Tenable.ot

Published: 6/23/2026

Updated: 6/25/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2025-13901

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:schneider-electric:modicon_m262_firmware, cpe:/o:schneider-electric:modicon_m251_firmware, cpe:/o:schneider-electric:modicon_m241_firmware

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 3/10/2026

Vulnerability Publication Date: 3/10/2026

Reference Information

CVE: CVE-2025-13901

CWE: 404