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TI-2025-13406 Aliases CVE-2025-14673GHSA-rw74-fqrf-pr2q

gmg137 snap7-rs client.rs as_ct_write 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 vulnerability has been found in gmg137 snap7-rs up to 1.142.1. Affected is the function snap7_rs::client::S7Client::as_ct_write of the file /tests/snap7-rs/src/client.rs. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public 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-2025-14673
  2. 2026-10-03 Alias added: GHSA-rw74-fqrf-pr2q

References

Exploit 1

Other 1

  • TI-2025-13924 gmg137 snap7-rs client.rs download heap-based overflow CVSS 4.0MEDIUM 6.9
  • TI-2025-13405 gmg137 snap7-rs s7_micro_client.cpp opWriteArea 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