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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rtl 433 Project | Rtl 433 | <= 25.02 |
Related Weaknesses (CWE)
References
- https://github.com/dd32/rtl_433/commit/25e47f8Patch
- https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-004-ExploitThird Party Advisory
- https://github.com/merbanan/rtl_433/issues/3375ExploitIssue TrackingPatch
- https://www.vulncheck.com/advisories/merbanan-rtl-433-stack-based-buffer-overfloThird Party Advisory
- https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-004-ExploitThird Party Advisory
FAQ
What is CVE-2025-34450?
CVE-2025-34450 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 processin...
How severe is CVE-2025-34450?
CVE-2025-34450 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-34450?
Check the references section above for vendor advisories and patch information. Affected products include: Rtl 433 Project Rtl 433.