CVE-2025-15247

HIGH

gmg137 snap7-rs - Heap-Based Buffer Overflow in S7Client::download Function

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.338637
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.338637
Issue Tracking exploit issue-tracking
https://gitee.com/gmg137/snap7-rs/issues/ID2H7V

Scores

CVSS v3 7.3
EPSS 0.0006
EPSS Percentile 17.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-119 CWE-122
Status published
Products (1)
gmg137/snap7-rs
Published Dec 30, 2025
Tracked Since Feb 18, 2026