7.1High
CVE-2026-117609rtl_433 through 25.12 Stack-Based Buffer Overflow via Proflame 2 Decoder
Description
rtl_433 through 25.12 contains a stack-based buffer overflow vulnerability in proflame2_mc() that allows nearby attackers to write past a 7-byte stack buffer by sending more than seven valid Manchester-coded words. Attackers can transmit a crafted OOK radio signal or supply a crafted signal file to crash rtl_433 and corrupt stack memory, enabling control-flow hijacking on builds without stack canaries.
Weakness (CWE):
CWE-121
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| merbanan | rtl_433 | 21.12 – ≤ 25.12 | |
| rtl 433 project | rtl 433 | 21.12 – ≤ 25.12 |
References and patches
- https://github.com/merbanan/rtl_433/issues/3739 issue-tracking
- https://github.com/merbanan/rtl_433/pull/3740 patchissue-tracking
- https://github.com/merbanan/rtl_433/commit/f35183aaf1d2d905d422fd70bcae4eb7349d6186 patch
- https://github.com/merbanan/rtl_433/blob/25.12/src/devices/proflame2.c#L46-L95 technical-description
- https://github.com/merbanan/rtl_433 product
- VulnCheck Advisory: rtl_433 through 25.12 Stack-Based Buffer Overflow via Proflame 2 Decoder third-party-advisory