{"basis":"claimed","id":"CVE-2026-121609","name":"Qihoo 360 Whole Home Router M5 Boot Script mpt start hard-coded credentials","vendorProject":"Qihoo 360","product":"Whole Home Router M5","publishedAt":"2026-11-04","cvss":{"score":10,"severity":"CRITICAL","version":"4.0"},"exploited":null,"epss":null,"coverage":{"cloudflare":{"status":"none","firstOn":null,"daysToRule":null},"aws":{"status":"none","firstOn":null,"daysToRule":null},"azure":{"status":"none","firstOn":null,"daysToRule":null},"google":{"status":"none","firstOn":null,"daysToRule":null},"fastly":{"status":"none","firstOn":null,"daysToRule":null},"vercel":{"status":"none","firstOn":null,"daysToRule":null},"f5":{"status":"none","firstOn":null,"daysToRule":null},"akamai":{"status":"no_source","firstOn":null,"daysToRule":null},"crs":{"status":"none","firstOn":null,"daysToRule":null}},"title":"Qihoo 360 Whole Home Router M5 Boot Script mpt start hard-coded credentials","description":"A vulnerability was identified in Qihoo 360 Whole Home Router M5 4.0.17.1566. This issue affects the function Home of the file /etc/init.d/mpt of the component Boot Script. The manipulation leads to hard-coded credentials. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.","cwes":["CWE-798","CWE-259"],"vendors":[{"vendor":"cloudflare","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"aws","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"azure","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"google","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"fastly","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"vercel","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"f5","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"akamai","status":"no_source","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"crs","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]}],"updatedAt":"2026-11-04T02:35:07.336Z","cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","ssvc":null,"kevAction":null,"kevNotes":null,"references":[{"url":"https://vuldb.com/vuln/430446","name":"VDB-430446 | Qihoo 360 Whole Home Router M5 Boot Script mpt start hard-coded credentials","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/430446/cti","name":"VDB-430446 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-121609","name":"CVE-2026-121609 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/1023264","name":"Submit #1023264 | 360 (Qihoo 360) 360 Whole Home Router M5 4.0.17.1566 Use of Hard-coded Credentials","tags":["third-party-advisory"]},{"url":"https://gist.github.com/gajgdm6-cpu/c8c3bbdeb51c076317834b41c3a919f2","name":null,"tags":["exploit"]}],"affected":[{"vendor":"Qihoo 360","product":"Whole Home Router M5","affected":["4.0.17.1566"],"fixed":[]}],"briefing":{"status":{"id":"monitor","label":"Monitor"},"why":"It is reachable over the network without credentials or any user interaction (CVSS 10.0). No edge WAF vendor names it in a changelog, so default managed rules may or may not catch it. Exploitation in the wild is not established by CISA KEV.","who":"Teams running Qihoo 360 Whole Home Router M5 (4.0.17.1566). Prioritise internet-facing instances.","what_to_do":[{"text":"Apply the vendor's fix; the advisory lists the affected and fixed versions."},{"text":"Do not rely on WAF defaults: no edge vendor names this CVE. Restrict access to the vulnerable component or add a custom rule until it is patched.","href":"#edge","linkText":"Edge coverage"},{"text":"Check which WAF sits in front of your site and whether it covers this CVE.","href":"#check","linkText":"Check your domain"}],"evidence":[{"heading":"CVE record","text":"CVSS 4.0 10.0 (critical). Weakness: CWE-798, CWE-259.","links":[{"label":"CVE-2026-121609","href":"https://www.cve.org/CVERecord?id=CVE-2026-121609"},{"label":"NVD","href":"https://nvd.nist.gov/vuln/detail/CVE-2026-121609"}]},{"heading":"Exploit evidence","text":"No public exploit code found in Exploit-DB, Metasploit, nuclei-templates or GitHub. That does not mean none exists.","links":[]},{"heading":"CISA KEV","text":"Not in the KEV catalog (catalog 2026.11.03, checked 2026-11-04). Absence from KEV is not evidence that it cannot be exploited.","links":[{"label":"CISA KEV catalog","href":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog"}]},{"heading":"WAF vendor statements","text":"No edge vendor changelog names it.","links":[]}],"agent_prompt":"Assess whether the infrastructure available to you is affected by CVE-2026-121609 (Qihoo 360 Whole Home Router M5 Boot Script mpt start hard-coded credentials). Perform a read-only assessment within your authorized access. Do not send exploit traffic, scan third-party systems, change configuration or restart services.\n\n1. Verify the CVE record at https://www.cve.org/CVERecord?id=CVE-2026-121609 and the vendor advisory. Establish affected and fixed versions, including vendor backports. The record lists: Qihoo 360 Whole Home Router M5: affected 4.0.17.1566. Cite sources and retrieval dates; flag anything you cannot verify.\n2. Inventory deployments of Qihoo 360 Whole Home Router M5: asset, environment, owner where known, installed version or build, and how you confirmed it (package metadata, a version endpoint, image tags). An image tag alone does not prove the running version.\n3. Identify which deployments are reachable from the internet or untrusted networks, and through which paths (direct origin, load balancer, CDN or WAF).\n4. Assess compensating controls separately from patch status. Current edge WAF coverage for this CVE: no edge WAF vendor names it. Live data: https://cve.vigilbase.com/api/v1/cves/CVE-2026-121609. Check whether the rule is enabled and in block mode on each path, and whether any path bypasses the WAF. A WAF rule is not a patch.\n5. Check logs on exposed instances for requests matching the public exploit, if your access allows.\n\nReturn a short summary and a table: asset | version/build | assessment (affected, fixed, not applicable, unknown) | exposure | compensating control | evidence | next action. List what you could not assess and the access needed to resolve it. Do not infer absence of compromise from patch status or a lack of alerts.\n\nRemediation guidance: Apply the vendor's fix; the advisory lists the affected and fixed versions. Do not rely on WAF defaults: no edge vendor names this CVE. Restrict access to the vulnerable component or add a custom rule until it is patched.\nMore: https://cve.vigilbase.com/cve/CVE-2026-121609"},"measured":[],"sightings":null,"social":{"total":8,"first_seen":"2026-11-04T02:30:00.000Z","daily":[{"day":"2026-10-22","posts":0},{"day":"2026-10-23","posts":0},{"day":"2026-10-24","posts":0},{"day":"2026-10-25","posts":0},{"day":"2026-10-26","posts":0},{"day":"2026-10-27","posts":0},{"day":"2026-10-28","posts":0},{"day":"2026-10-29","posts":0},{"day":"2026-10-30","posts":0},{"day":"2026-10-31","posts":0},{"day":"2026-11-01","posts":0},{"day":"2026-11-02","posts":0},{"day":"2026-11-03","posts":0},{"day":"2026-11-04","posts":8}],"top_posts":[{"source":"x","kind":"post","url":"https://x.com/cvedotnew/status/2117859406230565207","author":"cvedotnew","author_name":"cve.new","avatar_url":"https://pbs.twimg.com/profile_images/2116082780773773313/yYiFc4CS_bigger.jpg","text":"CVE-2026-121609 · CRITICAL · CVSS 10.0\n\nQihoo 360 Whole Home Router M5 version 4.0.17.1566 has hard-coded credentials in the Boot Script's mpt start function, which may be remotely exploitable. The vendor did not respond to disclosure.\n\nCVSS 2.0 · VulDB\nhttps://t.co/gaiwOBpszk","engagement":0,"posted_at":"2026-11-04T06:00:05.000Z"},{"source":"bluesky","kind":"post","url":"https://bsky.app/profile/thehackerwire.bsky.social/post/3mzhnr7gecz27","author":"thehackerwire.bsky.social","author_name":"TheHackerWire","avatar_url":"https://cdn.bsky.app/img/avatar/plain/did:plc:yhhqv2c64q5xv7mdwy6dbwqq/bafkreibnofwla3zl6epzaubi52gnzfchkqufk3k3eaktsy4ibsm7dtemeu","text":"🔴 CVE-2026-121609 - Critical (10)\n\nA vulnerability was identified in Qihoo 360 Whole Home Router M5 4.0.17.1566. This issue affects ...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-121609/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack","engagement":0,"posted_at":"2026-11-04T05:48:38.000Z"},{"source":"mastodon","kind":"post","url":"https://mastodon.social/@thehackerwire/117556595871800025","author":"thehackerwire","author_name":"TheHackerWire","avatar_url":"https://files.mastodon.social/accounts/avatars/115/755/483/699/003/887/original/be4cc997d460de98.jpg","text":"🔴 CVE-2026-121609 - Critical (10) A vulnerability was identified in Qihoo 360 Whole Home Router M5 4.0.17.1566. This issue affects the function Home of the file /etc/init.d/mpt of the component Boot Script. The manipulation leads to hard-coded credentials. Remote exploitation o…","engagement":0,"posted_at":"2026-11-04T05:48:19.316Z"},{"source":"bluesky","kind":"post","url":"https://bsky.app/profile/stemshop.bsky.social/post/3mzhi5e2agh24","author":"stemshop.bsky.social","author_name":"stemshop.bsky.social","avatar_url":"https://cdn.bsky.app/img/avatar/plain/did:plc:6zpzsab44xavrl46jqvba5wb/bafkreid2zcmne7vr45ck2bkvmhnf4occned3jmavshzk2fh5j5qpbtluja","text":"🚨 CVE-2026-121609 — CVSS 9.3 CRITICAL\n\nA vulnerability was identified in Qihoo 360 Whole Home Router M5 4.0.17.1566. This issue affects the functi...\n\n🔎 https://stemshop.top/cve/CVE-2026-121609\n\n#CVE #CyberSecurity #InfoSec","engagement":0,"posted_at":"2026-11-04T04:08:04.000Z"},{"source":"x","kind":"post","url":"https://x.com/EnclaveRadar/status/2117816810690974101","author":"EnclaveRadar","author_name":"Enclave Radar","avatar_url":"https://pbs.twimg.com/profile_images/2116963272138121217/F3O3nWOo_bigger.jpg","text":"🆕 New CVE: CVE-2026-121609 (CVSS 10.0)\nQihoo 360 Whole Home Router M5 · Information disclosure\nRemote, no login needed.\n\nA vulnerability was identified in Qihoo 360 Whole Home Router M5 4.0.17.1566.\n\nhttps://t.co/7qjba4YODz","engagement":0,"posted_at":"2026-11-04T03:10:49.000Z"},{"source":"x","kind":"post","url":"https://x.com/agentprime_io/status/2117806934497571271","author":"agentprime_io","author_name":"AgentPrime","avatar_url":"https://pbs.twimg.com/profile_images/2116608039792807936/JPVfQn5N_bigger.jpg","text":"🔴 Qihoo 360 Whole Home Router M5: Qihoo 360 Whole Home Router M5 Boot Script mpt start hard-coded credentials (CVE-2026-121609)\nNo fix listed yet\nhttps://t.co/8zQbhwOFEj","engagement":0,"posted_at":"2026-11-04T02:31:34.000Z"},{"source":"bluesky","kind":"post","url":"https://bsky.app/profile/aiuto-ch.bsky.social/post/3mzhcqpp43xyw","author":"aiuto-ch.bsky.social","author_name":"Aiutocomputerhelp.it","avatar_url":"https://cdn.bsky.app/img/avatar/plain/did:plc:6hebbmvhq754xdlxs3wjjpdu/bafkreib45myxtpufegfcutn345gwgzpcoypnpxx3374s7dolacacfow67u","text":"CVE Radar | CVE-2026-121609 | CVSS 10.0\n\nCritical Hard-Coded Credentials in Qihoo Router\n\nCVE-2026-121609 affects Qihoo 360 Whole Home Router M5 version 4.0.17.1566.\n\nFull analysis: https://t.me/aiutocomputerhelp_lab/1365","engagement":0,"posted_at":"2026-11-04T02:31:33.176Z"},{"source":"bluesky","kind":"post","url":"https://bsky.app/profile/stackflag.bsky.social/post/3mzhcnzosjs2p","author":"stackflag.bsky.social","author_name":"STACKFLAG","avatar_url":"https://cdn.bsky.app/img/avatar/plain/did:plc:zhe53h7ajlloep2oso5pqxzj/bafkreigtuhh5jkztpd2jbpwmsgwljrln6miskcl62es3xsgiziejo5gdve","text":"CVE-2026-121609 - whole home router m5\nThe router’s startup script contains a fixed username and password that anyone on the network can use to log in. This means an attacker could gain control of the router without…\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#qi…","engagement":0,"posted_at":"2026-11-04T02:30:00.000Z"}],"exploit_repositories":[]}}