CVE-2025-14673 MEDIUM

CVE-2025-14673: gmg137 snap7-rs client.rs as_ct_write 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 vulnerability has been found in gmg137 snap7-rs up to 1.142.1. Affected is the function snap7_rs::client::S7Client::as_ct_write of the file /tests/snap7-rs/src/client.rs. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

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