CVE-2025-15247

CVE-2025-15247 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

Description

A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7_rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2025-15247?
A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7_rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2025-15247?
CVE-2025-15247 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-2025-15247 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15247?
CVE-2025-15247 affects Gmg137 Snap7-rs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15247?
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-2025-15247 have an EU (EUVD) identifier?
Yes. CVE-2025-15247 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205764.
When was CVE-2025-15247 published?
CVE-2025-15247 was published on 2025-12-30 and last updated on 2026-06-17.

References

Affected products (1)

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