How severe is CVE-2025-14673?

CVE-2025-14673 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-14673 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-14673?

CVE-2025-14673 affects Gmg137 Snap7-rs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-14673?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-14673 have an EU (EUVD) identifier?

Yes. CVE-2025-14673 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203307.

When was CVE-2025-14673 published?

CVE-2025-14673 was published on 2025-12-14 and last updated on 2026-06-17.

CVE-2025-14673

CVE-2025-14673 is a high-severity vulnerability in Gmg137 Snap7-rs with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203307
Weakness: CWE-119
Affected product: Gmg137 Snap7-rs
Published: 2025-12-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-14673?: 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.
How severe is CVE-2025-14673?: CVE-2025-14673 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-14673 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-14673?: CVE-2025-14673 affects Gmg137 Snap7-rs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-14673?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-14673 have an EU (EUVD) identifier?: Yes. CVE-2025-14673 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203307.
When was CVE-2025-14673 published?: CVE-2025-14673 was published on 2025-12-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gmg137:snap7-rs:*:*:*:*:*:*:*:*

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