CVE-2025-14672: snap7-rs Buffer Overflow

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.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
gmg137	snap7-rs	< 1.142.1

References

Advisories & Patches

https://gitee.com/gmg137/snap7-rs/issues/ID2H8E

Exploits

https://gitee.com/gmg137/snap7-rs/issues/ID2H8E

Other References

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

Frequently Asked Questions

What is CVE-2025-14672? +

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-14672? +

CVE-2025-14672 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-14672? +

CVE-2025-14672 affects products from gmg137, specifically: snap7-rs. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-14672? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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