CVE-2025-34450
merbanan/rtl_433 <= 25.02 Stack-based Buffer Overflow
MEDIUM 6.9EPSS 0.2%
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.
- Affected
- merbanan · rtl_433
- CVSS v4.0 VULNCHECK
- 6.9 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.23% chance of exploitation in the next 30 days, 13th percentile
- Published
- 2025-12-18
- Updated
- 2026-05-14
Proof-of-concept exploits (1)
- marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-004-rtl_433-rfraw-parse-overflow…2★ · 2026-10-13
Security advisories
- https://www.vulncheck.com/advisories/merbanan-rtl-433-stack-based-buffer-overflow
- dd32/rtl_433/commit/25e47f8
- merbanan/rtl_433/issues/3375