CVE-2025-14672 MEDIUM

CVE-2025-14672: gmg137 snap7-rs s7_micro_client.cpp opWriteArea heap-based overflow

Vendor Gmg137
Product snap7-rs
Weakness CWE-122
Published December 14, 2025
Last update February 24, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

A flaw has been found in gmg137 snap7-rs up to 1.142.1. This impacts the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. Executing a manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Key dates

02Disclosure timeline

December 14, 2025 CVE published
February 24, 2026 Record updated