Is there a public PoC exploit available for CVE-2025-14672?

Yes, a public proof-of-concept exploit is available for CVE-2025-14672. Prioritise patching immediately. EPSS: 0.1%.

Snap7 Rs CVE-2025-14672

Q: What is the CVSS score of CVE-2025-14672?

CVE-2025-14672 has a CVSS 4.0 base score of 5.5 (Medium). CVSS 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

MEDIUM

Buffer Overflow (CWE-119)

2025-12-14 cna@vuldb.com

Buffer Overflow Snap7 Rs Gmg137

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Jul 26, 2026 - 17:16 vuln.today

CVE Published

Dec 14, 2025 - 17:15 cve.org

MEDIUM 5.5

DescriptionCVE.org

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.

AnalysisAI

Heap-based buffer overflow in gmg137 snap7-rs library up to version 1.142.1 allows remote attackers to corrupt heap memory via the TSnap7MicroClient::opWriteArea function. The vulnerability requires no authentication or user interaction (CVSS 4.0 AV:N/AC:L/PR:N/UI:N) and a public exploit is available, though the EPSS score is low at 0.09%, suggesting limited active exploitation at this time.