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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (40.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Gmg137 Snap7-Rs — versions 1.142.0, 1.142.1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- gitee.com/gmg137/snap7-rs/issues/ID2H8E (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
- gitee.com/gmg137/snap7-rs/ (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.