{"id":"CVE-2026-75779","kind":"vulnerability","aliases":["CVE-2026-75779"],"related":[],"title":"ASUS router firmware: phishing page makes admin run root commands","description":"Improper Neutralization of Special\nElements used in an OS Command (“OS Command Injection”) and Cross-Site Request\nForgery (CSRF) in an ASUS router model allow an attacker to trick a logged-in\nadministrator into visiting a phishing website, causing the router to execute\narbitrary commands with root privileges.\nRefer to the '\nSecurity Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.","summary":"An ASUS router model has an OS command injection flaw combined with CSRF. An attacker tricks a logged-in administrator into visiting a phishing site, and the router then runs attacker-chosen commands as root.","severity":"high","cvss":8.6,"epss":0.01044,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["asus","home-network","infrastructure","routers","self-hosted"],"not_affected_if":["no-admin-web-ui-exposure","unaffected-model"],"how_to_check":"Identify the ASUS router model and current firmware version in the admin UI; compare against the ASUS Security Advisory affected list.","fix":"Update the router to the firmware version named in the ASUS Security Advisory; unknown whether a fixed version is listed in the sources.","status":"open","published_at":"2026-10-23T08:16:55+00:00","first_seen_at":"2026-10-23T21:57:32+00:00","triaged_at":"2026-10-23T22:39:15+00:00","updated_at":"2026-10-24T07:15:51+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T22:39:15Z","model":"claude-haiku-5-5","output":{"fix":"Update the router to the firmware version named in the ASUS Security Advisory; unknown whether a fixed version is listed in the sources.","reach":"internet","title":"ASUS router firmware: phishing page makes admin run root commands","impact":"high","summary":"An ASUS router model has an OS command injection flaw combined with CSRF. An attacker tricks a logged-in administrator into visiting a phishing site, and the router then runs attacker-chosen commands as root.","category":"infrastructure","who_cares":["asus","routers","self-hosted","home-network"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker runs arbitrary commands as root on the router after admin visits a page.","analyst_note":"Find the affected ASUS router models and fixed firmware version in the ASUS Security Advisory linked from the NVD entry (https://nvd.nist.gov/vuln/detail/CVE-2026-75779).","how_to_check":"Identify the ASUS router model and current firmware version in the admin UI; compare against the ASUS Security Advisory affected list.","needs_analyst":true,"not_affected_if":["unaffected-model","no-admin-web-ui-exposure"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000522,"input_tokens":2967,"output_tokens":451,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-75779':13A,16A 'admin':7A 'administr':46B,97C 'advisori':127C 'allow':88C 'arbitrari':108C 'asus':1A,17B,27B,85C,119C,125C 'attack':40B,58B,90C 'attacker-chosen':57B 'caus':103C 'chosen':59B 'combin':36B 'command':10A,33B,60B,72C,74C,109C 'cross':78C 'cross-sit':77C 'csrf':38B,82C 'cve':11A,14A 'element':67C 'execut':107C 'firmwar':3A,121C 'flaw':35B 'forgeri':81C 'home':19B 'home-network':18B 'host':25B 'improp':63C 'inform':130C 'infrastructur':21B 'inject':34B,75C 'log':44B,95C 'logged-in':43B,94C 'make':6A 'model':29B,87C 'network':20B 'neutral':64C 'os':32B,71C,73C 'page':5A 'phish':4A,50B,101C 'privileg':112C 'refer':113C 'request':80C 'root':9A,62B,111C 'router':2A,22B,28B,54B,86C,105C,120C 'run':8A,56B 'section':122C 'secur':116C,126C 'self':24B 'self-host':23B 'site':51B,79C 'special':66C 'trick':41B,92C 'updat':117C 'use':68C 'visit':48B,99C 'websit':102C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-23T08:16:55+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"54bf65a7-a193-42d2-b1ba-8e150d3c35e1","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-75779","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75779","severity":null,"published_at":"2026-10-23T08:16:55+00:00","modified_at":"2026-10-23T19:42:24+00:00","first_seen_at":"2026-10-23T21:57:32+00:00","fetched_at":"2026-10-23T22:29:03+00:00","note":null},{"source":"epss","external_id":"CVE-2026-75779","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-75779","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T07:15:51+00:00","fetched_at":"2026-10-25T12:38:51+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}