gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424 client.rs download heap-based overflow
Summary
A vulnerability was found in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. It has been classified as critical. This affects the function snap7_rs::client::S7Client::download of the file client.rs. Performing a manipulation results in heap-based overflow.
This vulnerability is reported as CVE-2025-15247. The attack is possible to be carried out remotely. Moreover, an exploit is present.
This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified.
The project was informed of the problem early through an issue report but has not responded yet.
Details
A vulnerability, which was classified as critical, was found in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. This affects the function snap7_rs::client::S7Client::download of the file client.rs. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared at gitee.com. This vulnerability is uniquely identified as CVE-2025-15247. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.
The exploit is shared for download at gitee.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-205764). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
Website
- Product: https://gitee.com/gmg137/snap7-rs/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 8.1VulDB Meta Temp Score: 7.9
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔒
CNA Base Score: 7.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
12/29/2025 Advisory disclosed12/29/2025 VulDB entry created
01/12/2026 VulDB entry last update
Sources
Product: gitee.comAdvisory: ID2H7V
Status: Not defined
CVE: CVE-2025-15247 (🔒)
GCVE (CVE): GCVE-0-2025-15247
GCVE (VulDB): GCVE-100-338637
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 12/29/2025 09:42Updated: 01/12/2026 15:29
Changes: 12/29/2025 09:42 (58), 12/30/2025 13:45 (30), 12/30/2025 14:45 (1), 01/12/2026 15:29 (11)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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