gmg137 snap7-rs up to 1.142.1 s7_micro_client.cpp opWriteArea heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.9 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in gmg137 snap7-rs up to 1.142.1. Affected is the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. The manipulation leads to heap-based overflow.
This vulnerability is documented as CVE-2025-14672. The attack can be initiated remotely. Additionally, an exploit exists.
Details
A vulnerability was found in gmg137 snap7-rs up to 1.142.1. It has been rated as critical. This issue affects the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is confidentiality, integrity, and availability.
The advisory is shared at gitee.com. The identification of this vulnerability is CVE-2025-14672. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.
The exploit is available at gitee.com. It is declared as proof-of-concept.
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-2025-203308). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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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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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
12/13/2025 Advisory disclosed12/13/2025 VulDB entry created
01/12/2026 VulDB entry last update
Sources
Product: gitee.comAdvisory: ID2H8E
Status: Not defined
CVE: CVE-2025-14672 (🔒)
GCVE (CVE): GCVE-0-2025-14672
GCVE (VulDB): GCVE-100-336401
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 12/13/2025 17:39Updated: 01/12/2026 15:57
Changes: 12/13/2025 17:39 (56), 12/14/2025 19:54 (30), 12/14/2025 20:20 (1), 01/12/2026 15:57 (11)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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