What is CVE-2025-14672?

CVE-2025-14672 is a high-severity vulnerability in Gmg137 Snap7-Rs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.3/10. Published 2025-12-14.

How severe is CVE-2025-14672?

High severity. CVSS v3 base score is 7.3 out of 10.

Buffer overflow in Gmg137 Snap7-Rs

CVE-2025-14672

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.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (35.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Gmg137 Snap7-rs — versions 1.142.0, 1.142.1

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2025-14672?: CVE-2025-14672 is a high-severity vulnerability in Gmg137 Snap7-Rs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.3/10. Published 2025-12-14.
How severe is CVE-2025-14672?: High severity. CVSS v3 base score is 7.3 out of 10.