What’s Vulnerable › Vulnerabilities

CVE-2025-14672: gmg137 snap7-rs s7_micro_client.cpp opWriteArea heap-based overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-14 · updated 2026-09-28
• Weakness: CWE-119

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.

Affected products

• gmg137 snap7-rs: through 1.142.1

References

• https://gitee.com/gmg137/snap7-rs/
• https://gitee.com/gmg137/snap7-rs/issues/ID2H8E
• https://vuldb.com/?ctiid.336401
• https://vuldb.com/?id.336401

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