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TI-2025-13405 Aliases CVE-2025-14672GHSA-52cp-m58w-wp9x

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

Priority HIGH 70CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00491 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
gmg137snap7-rs1.142.0; 1.142.1—No fix listedCNA
  • snap7-rs Vendorgmg137 Affected 1.142.0; 1.142.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gmg137:snap7-rs:*:*:*:*:*:*:*:*up to 1.142.1Vulnerablegmg137
  • cpe:2.3:a:gmg137:snap7-rs:*:*:*:*:*:*:*:* Versions up to 1.142.1 Vulnerable ·gmg137

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-14672
  2. 2026-10-03 Alias added: GHSA-52cp-m58w-wp9x

References

Exploit 1

Other 1

  • TI-2025-13924 gmg137 snap7-rs client.rs download heap-based overflow CVSS 4.0MEDIUM 6.9
  • TI-2025-13406 gmg137 snap7-rs client.rs as_ct_write heap-based overflow CVSS 4.0MEDIUM 6.9
  • TI-2025-06953 gmg137 snap7-rs Public API pthread_cond_destroy memory corruption CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences