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.

• CWE-121
• CWE-787

• https://github.com/dd32/rtl_433/commit/25e47f8Patch
• https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-004-rtl_433-rfraw-parse-overflow.mdExploit, Third Party Advisory
• https://github.com/merbanan/rtl_433/issues/3375Exploit, Issue Tracking, Patch
• https://www.vulncheck.com/advisories/merbanan-rtl-433-stack-based-buffer-overflowThird Party Advisory
• https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-004-rtl_433-rfraw-parse-overflow.mdExploit, Third Party Advisory

Published

Dec 18, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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