{"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/cpes/cpe2.3amodem/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:*:modem:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":7.5,"id":"CVE-2026-20499"},{"cvss":7.5,"id":"CVE-2026-20556"},{"cvss":7.5,"id":"CVE-2026-20557"},{"cvss":7.5,"id":"CVE-2026-20585"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Modem (Patch ID MOLY01857954)","Modem (Patch ID: MOLY01876662)","Modem"],"_cs_severities":["high"],"_cs_tags":[],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eCVE-2026-20499 is a memory corruption vulnerability in Modem firmware identified by the lack of bounds checking. The vulnerability allows for remote privilege escalation when a User Equipment (UE) device connects to a rogue base station controlled by an attacker. The vulnerability (MSV-8247) is addressed by Patch ID MOLY01857954.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eAn attacker can achieve remote privilege escalation on a target device without user interaction or prior elevated execution privileges by forcing the device to connect to a malicious base station.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the current firmware version of all cellular-connected UEs in the environment.\u003c/li\u003e\n\u003cli\u003eApply patch MOLY01857954 (Issue MSV-8247) to all affected Modem hardware.\u003c/li\u003e\n\u003cli\u003eImplement cellular network monitoring to identify anomalies in base station parameters or signal strength characteristics that may indicate rogue base station activity.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-11-02T17:53:19Z","date_published":"2026-11-02T17:50:14Z","id":"https://feed.craftedsignal.io/briefs/2026-11-modem-oob-write/","summary":"A missing bounds check in Modem firmware allows an attacker operating a rogue base station to execute an out-of-bounds write, leading to remote privilege escalation without user interaction.","title":"Modem: Out-of-bounds write vulnerability (CVE-2026-20499)","url":"https://feed.craftedsignal.io/briefs/2026-11-modem-oob-write/"}],"language":"en","title":"CraftedSignal Threat Feed - Cpe:2.3:a:*:modem:*:*:*:*:*:*:*:*","version":"https://jsonfeed.org/version/1.1"}