Vulnerability Details CVE-2025-34450
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.6%
CVSS Severity
CVSS v3 Score 7.8
References
- https://github.com/dd32/rtl_433/commit/25e47f8
- https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-004-rtl_433-rfraw-parse-overflow.md
- https://github.com/merbanan/rtl_433/issues/3375
- https://www.vulncheck.com/advisories/merbanan-rtl-433-stack-based-buffer-overflow
- https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-004-rtl_433-rfraw-parse-overflow.md
Products affected by CVE-2025-34450
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cpe:2.3:a:rtl_433_project:rtl_433:0.01
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cpe:2.3:a:rtl_433_project:rtl_433:0.1
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cpe:2.3:a:rtl_433_project:rtl_433:18.05
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cpe:2.3:a:rtl_433_project:rtl_433:18.12
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cpe:2.3:a:rtl_433_project:rtl_433:19.08
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cpe:2.3:a:rtl_433_project:rtl_433:20.02
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cpe:2.3:a:rtl_433_project:rtl_433:21.05
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cpe:2.3:a:rtl_433_project:rtl_433:21.11
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cpe:2.3:a:rtl_433_project:rtl_433:21.12