CVE-2024-12650: Wago: Vulnerability in libwagosnmp

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-05 · updated 2026-06-17
Weakness: CWE-252

Description

An attacker with low privileges can manipulate the requested memory size, causing the application to use an invalid memory area. This could lead to a crash of the application but it does not affected other applications.

Affected products

WAGO CC100 0751-9x01: before 04.07.01 — fixed in 04.07.01
WAGO Edge Controller 0752-8303/8000-0002: before 04.07.01 — fixed in 04.07.01
WAGO PFC100 G1 0750-810x/xxxx-xxxx: before 3.10.11; before 04.07.01 — fixed in 04.07.01, 3.10.11
WAGO PFC100 G2 0750-811x-xxxx-xxxx: before 04.07.01 — fixed in 04.07.01
WAGO PFC200 G1 750-820x-xxx-xxx: before 3.10.11; before 04.07.01 — fixed in 04.07.01, 3.10.11
WAGO PFC200 G2 750-821x-xxx-xxx: before 04.07.01 — fixed in 04.07.01
WAGO TP600 0762-420x/8000-000x: before 04.07.01 — fixed in 04.07.01
WAGO TP600 0762-430x/8000-000x: before 04.07.01 — fixed in 04.07.01
WAGO TP600 0762-520x/8000-000x: before 04.07.01 — fixed in 04.07.01
WAGO TP600 0762-530x/8000-000x: before 04.07.01 — fixed in 04.07.01
WAGO TP600 0762-620x/8000-000x: before 04.07.01 — fixed in 04.07.01
WAGO TP600 0762-630x/8000-000x: before 04.07.01 — fixed in 04.07.01

How to fix

Upgrade to a fixed version: WAGO CC100 0751-9x01 04.07.01; WAGO Edge Controller 0752-8303/8000-0002 04.07.01; WAGO PFC100 G1 0750-810x/xxxx-xxxx 04.07.01, 3.10.11; WAGO PFC100 G2 0750-811x-xxxx-xxxx 04.07.01; WAGO PFC200 G1 750-820x-xxx-xxx 04.07.01, 3.10.11; WAGO PFC200 G2 750-821x-xxx-xxx 04.07.01; WAGO TP600 0762-420x/8000-000x 04.07.01; WAGO TP600 0762-430x/8000-000x 04.07.01; WAGO TP600 0762-520x/8000-000x 04.07.01; WAGO TP600 0762-530x/8000-000x 04.07.01; WAGO TP600 0762-620x/8000-000x 04.07.01; WAGO TP600 0762-630x/8000-000x 04.07.01. Check the vendor advisory for mitigations.

References

https://cert.vde.com/en/advisories/VDE-2025-004

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