CVE-2025-14672

gmg137 snap7-rs s7_micro_client.cpp opWriteArea heap-based overflow

Published Dec 14, 2025 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
A flaw has been found in gmg137 snap7-rs up to 1.142.1. This impacts the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. Executing a manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description A flaw has been found in gmg137 snap7-rs up to 1.142.1. This impacts the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. Executing manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used. A flaw has been found in gmg137 snap7-rs up to 1.142.1. This impacts the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. Executing a manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.
References
Type Values Removed Values Added
CPEs cpe:2.3:a:gmg137:snap7-rs:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Gmg137
Gmg137 snap7-rs
Vendors & Products Gmg137
Gmg137 snap7-rs
Type Values Removed Values Added
Description A flaw has been found in gmg137 snap7-rs up to 1.142.1. This impacts the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. Executing manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.
Title gmg137 snap7-rs s7_micro_client.cpp opWriteArea heap-based overflow
Weaknesses CWE-119
CWE-122
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Feb 24, 2026, 5:51 AM
Reserved
Dec 13, 2025, 4:34 PM
Status
Modified
Published
Dec 14, 2025, 5:15 PM
Modified
Sep 28, 2026, 10:10 AM