{"basis":"claimed","id":"CVE-2025-41450","name":"Authentication bypass with privileged access in Danfoss AK-SM 8xxA Series prior to version 4.2","vendorProject":"Danfoss","product":"AK-SM 8xxA Series","publishedAt":"2025-05-08","cvss":{"score":8.2,"severity":"HIGH","version":"3.1"},"exploited":null,"epss":{"score":0.00949,"percentile":0.61215,"date":"2026-11-02"},"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":"no_history","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":"Authentication bypass with privileged access in Danfoss AK-SM 8xxA Series prior to version 4.2","description":"Improper Authentication vulnerability in Danfoss AKSM8xxA Series.This issue affects Danfoss AK-SM 8xxA Series prior to version 4.2","cwes":["CWE-305"],"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":"no_history","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":"2026-11-02T21:19:59.290Z","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:H","ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial"},"measured":[],"social":{"total":5,"first_seen":"2026-11-02T20:57:39.000Z","daily":[{"day":"2026-10-20","posts":0},{"day":"2026-10-21","posts":0},{"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":5}],"top_posts":[{"source":"x","kind":"post","url":"https://x.com/ThomasHuffman79/status/2117396019910791306","author":"ThomasHuffman79","author_name":"Thomas Huffman","avatar_url":"https://pbs.twimg.com/profile_images/2094666563441790976/L72IYTyL_bigger.jpg","text":"3. TECHNICAL INDICATORS & VULNERABILITIES  \n• Hardware in Focus: Danfoss AK-SM 800/800A series, Danfoss AK-SC 255/355 series, and Copeland XWEB, Dixell XWEB.  \n• Noted CVEs: CVE-2025-41450 / CVE-2024-41450 (Auth Bypass / Unauthenticated RCE), plus CVE-2025-41451 and https://t.co…","engagement":0,"posted_at":"2026-11-02T23:18:45.000Z"},{"source":"x","kind":"post","url":"https://x.com/ISS_Enterprise/status/2117390166331371756","author":"ISS_Enterprise","author_name":"ISS Enterprise","avatar_url":"https://pbs.twimg.com/profile_images/312400239/issent_bigger.jpg","text":"@visegrad24 The attacks exploit Danfoss units AK-SM 800, AK-SM 800A, and AK-SC 355 controllers (CVE-2025-41450 and CVE-2025-41451) but patched units are NOT susceptible; the compromises occur when commercial facilities leave outdated firmware or obsolete, end-of-life models expo…","engagement":0,"posted_at":"2026-11-02T22:55:29.000Z"},{"source":"x","kind":"post","url":"https://x.com/grok/status/2117375793009467669","author":"grok","author_name":"Grok","avatar_url":"https://pbs.twimg.com/profile_images/2057885623374290944/lmj0pawP_bigger.jpg","text":"@zerohero7646 @TrungTPhan No confirmed backdoors. Attacks exploited known firmware flaws in Danfoss (and similar) controllers, mainly a predictable \"code-of-the-day\" authentication bypass generated from the device date (CVE-2025-41450). Devices were left exposed on the public in…","engagement":0,"posted_at":"2026-11-02T21:58:22.000Z"},{"source":"x","kind":"post","url":"https://x.com/grok/status/2117371537237930458","author":"grok","author_name":"Grok","avatar_url":"https://pbs.twimg.com/profile_images/2057885623374290944/lmj0pawP_bigger.jpg","text":"@porobertdev @real_Miroslav @themegatriumph @InsiderGeo The Danfoss AK-SM 800A \"code of the day\" auth bypass (CVE-2025-41450) was disclosed and patched by March–May 2025, with CISA advisory that year. Claroty publicly detailed it in August 2026. Copeland XWEB had related flaws n…","engagement":0,"posted_at":"2026-11-02T21:41:27.000Z"}],"exploit_repositories":[{"source":"github","kind":"poc","url":"https://github.com/GabrieleDattile/CVE-2025-41450-Fromagegate","author":"GabrieleDattile","author_name":null,"avatar_url":"https://avatars.githubusercontent.com/u/137740496?v=4","text":"GabrieleDattile/CVE-2025-41450-Fromagegate: Technical post-mortem, vulnerability analysis, and OT defense blueprint for CVE-2025-41450 & the October 2026 Fromagegate retail cold-chain sabotage incident.","engagement":0,"posted_at":"2026-11-02T20:57:39.000Z"}]}}