CVE-2025-34450 - CVE House
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Status published Medium CVE-2025-34450

merbanan/rtl_433 <= 25.02 Stack-based Buffer Overflow

Vulnerability Description

merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack-based buffer overflow vulnerability in the function parse_rfraw() located in src/rfraw.c. When processing crafted or excessively large raw RF input data, the application may write beyond the bounds of a stack buffer, resulting in memory corruption or a crash. This vulnerability can be exploited to cause a denial of service and, under certain conditions, may be leveraged for further exploitation depending on the execution environment and available mitigations.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Vlatko Kosturjak with Marlink Cyber

Affected Vendor

Affected Software

rtl_433
Vulnerable Versions:
0, 25e47f8932f0401392ef1d3c8cc9ed5595bc894a

Timeline

Official Publish: December 18th, 2025
Last Modified: May 14th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)