{"id":"CVE-2026-33971","kind":"vulnerability","aliases":["CVE-2026-33971"],"related":[],"title":"LTE RRC component: pre-authentication messages cause a data abort and denial of service","description":"In the LTE RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service condition.","summary":"The LTE Radio Resource Control component mishandles certain messages received before authentication, triggering a data abort. The result is a denial-of-service condition on the affected baseband or modem component.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["baseband","infrastructure","lte","mobile-devices"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-05T03:17:26+00:00","first_seen_at":"2026-11-05T03:31:43+00:00","triaged_at":"2026-11-05T03:33:51+00:00","updated_at":"2026-11-05T03:33:51+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-05T03:33:51Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"LTE RRC component: pre-authentication messages cause a data abort and denial of service","impact":"low","summary":"The LTE Radio Resource Control component mishandles certain messages received before authentication, triggering a data abort. The result is a denial-of-service condition on the affected baseband or modem component.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["lte","baseband","mobile-devices"],"confidence":0.4,"fix_status":"unknown","needs_auth":"no","worst_case":"Cellular connectivity on the affected device stops working until it restarts","analyst_note":"Check the NVD entry and the vendor bulletin for affected products, versions and the fix before any action is taken.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000591,"input_tokens":4159,"output_tokens":351,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':17A,20A '-33971':18A,21A 'abort':11A,43B,74C 'affect':55B 'authent':6A,39B,70C 'baseband':22B,56B 'caus':8A 'certain':35B 'compon':3A,33B,59B,64C 'condit':52B,82C 'control':32B 'cve':16A,19A 'data':10A,42B,73C 'denial':13A,49B,79C 'denial-of-servic':48B 'devic':27B 'handl':66C 'improp':65C 'infrastructur':23B 'lead':76C 'lte':1A,24B,29B,62C 'messag':7A,36B,68C 'mishandl':34B 'mobil':26B 'mobile-devic':25B 'modem':58B 'pre':5A 'pre-authent':4A 'radio':30B 'receiv':37B 'resourc':31B 'result':45B 'rrc':2A,63C 'servic':15A,51B,81C 'trigger':40B,71C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["baseband","infrastructure","lte","mobiledevices","unknown"],"campaign_type":null,"first_public_at":"2026-11-05T03:17:26+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-33971","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33971","severity":null,"published_at":"2026-11-05T03:17:26+00:00","modified_at":"2026-11-05T03:17:26+00:00","first_seen_at":"2026-11-05T03:31:43+00:00","fetched_at":"2026-11-05T03:31:43+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}