{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/vendors/rtl_433/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:rtl_433:rtl_433:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":7.1,"id":"CVE-2026-117609"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["rtl_433 (\u003c= 25.12)"],"_cs_severities":["high"],"_cs_tags":["buffer-overflow","vulnerability","rtl_433"],"_cs_type":"advisory","_cs_vendors":["rtl_433"],"content_html":"\u003cp\u003eA stack-based buffer overflow vulnerability exists in the \u003ccode\u003eproflame2_mc()\u003c/code\u003e function of rtl_433 (all versions through 25.12). The issue occurs when the application processes more than seven Manchester-coded words. An attacker within radio range can transmit a crafted On-Off Keying (OOK) signal or provide a malformed signal file to trigger the overflow. This can result in application crashes or, if the binary is compiled without stack canaries, potential control-flow hijacking.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation allows for the crash of the rtl_433 service or potential arbitrary code execution, depending on the compiler protections enabled for the specific deployment.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade rtl_433 to a version that patches the \u003ccode\u003eproflame2_mc()\u003c/code\u003e function, or monitor the project repository for the official security release addressing this vulnerability.\u003c/li\u003e\n\u003cli\u003eAudit current deployments to determine if they are compiled with stack protection (e.g., \u003ccode\u003e-fstack-protector\u003c/code\u003e or \u003ccode\u003e-fstack-protector-strong\u003c/code\u003e) to mitigate the risk of arbitrary code execution.\u003c/li\u003e\n\u003cli\u003eRestrict the input sources for rtl_433 if possible, particularly by verifying the integrity of signal capture files before processing them.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-10-28T08:26:39Z","date_published":"2026-10-28T08:26:39Z","id":"https://feed.craftedsignal.io/briefs/2026-10-rtl433-buffer-overflow/","summary":"rtl_433 versions up to 25.12 contain a stack-based buffer overflow in the proflame2_mc function that allows attackers to trigger memory corruption via malicious OOK radio signals or input files.","title":"rtl_433: Stack-based buffer overflow in proflame2_mc (CVE-2026-117609)","url":"https://feed.craftedsignal.io/briefs/2026-10-rtl433-buffer-overflow/"}],"language":"en","title":"CraftedSignal Threat Feed - Rtl_433","version":"https://jsonfeed.org/version/1.1"}