CVE-2025-14673: A vulnerability has been found in gmg137 snap7-rs up to 1.142.1

Q: How do I fix CVE-2025-14673?

snap7-rs: upgrade to newer than 1.142.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-14673 being exploited?

CVE-2025-14673 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-14673 affect?

CVE-2025-14673 affects snap7-rs. Severity is high (CVSS 7.3). 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 ca

Q: How urgent is CVE-2025-14673?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.3REMOTEUPGRADE

CVE-2025-14673 is a high-severity flaw (CVSS 7.3) affecting snap7-rs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-119, CWE-122
Published	2025-12-14
Last modified	2026-09-28

Publisher (CNA): VulDB · Vendor: gmg137

Last updated 2026-09-28 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-14 18:15 UTCPublished CVE record published
2026-09-28 10:10 UTCUpdated Record last modified

gmg137 snap7-rs UPGRADE

Affected: <= 1.142.1

Fixed in: newer than 1.142.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy snap7-rs || rpm -q snap7-rs || snap7-rs --version

2. UPGRADE to newer than 1.142.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade snap7-rs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade snap7-rs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-14673?

snap7-rs: upgrade to newer than 1.142.1. Exact commands for each OS are on this page.

Is CVE-2025-14673 being exploited?

CVE-2025-14673 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-14673 affect?

CVE-2025-14673 affects snap7-rs. Severity is high (CVSS 7.3). 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 ca

How urgent is CVE-2025-14673?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-15247 HIGH 7.3 MITIGATE A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424
CVE-2025-14672 HIGH 7.3 UPGRADE A flaw has been found in gmg137 snap7-rs up to 1.142.1
CVE-2025-7616 MEDIUM 5.5 UPGRADE A vulnerability, which was classified as critical, has been found in gmg137 snap7-rs up to 1.142.1

References

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