Buffer overflow in Gmg137 Snap7-Rs
CVE-2025-15247
A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7_rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (30.2th 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 153d3e8c16decd7271e2a5b2e3da4d6f68589424
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, Issue Tracking)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2025-15247?
- CVE-2025-15247 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 2025-12-30.
- How severe is CVE-2025-15247?
- High severity. CVSS v3 base score is 7.3 out of 10.