---
id: CVE-2025-15247
title: >-
  A vulnerability was identified in gmg137 snap7-rs up to
  153d3e8c16decd7271e2a5b2e3da4d6f68589424
summary: >-
  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 bu…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-119
  - CWE-122
vendor: gmg137
product: snap7-rs
affected:
  - snap7-rs
published: '2025-12-30'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T08:10:00.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-15247'
references:
  - url: 'https://gitee.com/gmg137/snap7-rs/'
    label: cna@vuldb.com
  - url: 'https://gitee.com/gmg137/snap7-rs/issues/ID2H7V'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.338637'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.338637'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00446
epssPercentile: 0.36313
ingestedAt: '2026-10-01T08:40:11.719Z'
---

## Overview

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.

## Affected

- `snap7-rs`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.