{"id":"CVE-2025-14733","kind":"vulnerability","aliases":["CVE-2025-14733"],"related":[],"title":"An Out-of-bounds Write vulnerability in the WatchGuard Fireware OS iked process may allow a remote unauthenticated…","description":"An Out-of-bounds Write vulnerability in the WatchGuard Fireware OS iked process may allow a remote unauthenticated attacker to execute arbitrary code. This vulnerability affects both the mobile user VPN with IKEv2 and the branch office VPN using IKEv2 when configured with a dynamic gateway peer.\n\nIf the Firebox was previously configured with the mobile user VPN with IKEv2 or a branch office VPN using IKEv2 to a dynamic gateway peer, and both of those configurations have since been deleted, that Firebox may still be vulnerable if a branch office VPN to a static gateway peer is still configured.","summary":"WatchGuard Fireware OS has an out-of-bounds write in its iked process that affects IKEv2 mobile user VPN and branch office VPN with a dynamic gateway peer. A remote unauthenticated attacker may be able to run arbitrary code on the Firebox appliance.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2025-12-19T00:00:00+00:00","products":[{"name":"WatchGuard Firebox","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"watchguard fireware","fixed":["12.5.15"],"affected":">= 11.10.2, < 12.5.15","ecosystem":"vendor"},{"name":"watchguard fireware","fixed":["12.11.6"],"affected":">= 11.10.2, < 12.11.6","ecosystem":"vendor"},{"name":"watchguard fireware","fixed":["2025.1.4"],"affected":">= 2025.1, < 2025.1.4","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","fireware-os","ikev2-vpn","infrastructure","ransomware","watchguard-firebox"],"not_affected_if":["no-ikev2-vpn-enabled","static-gateway-peer-only"],"how_to_check":null,"fix":"Apply the vendor mitigations per WatchGuard instructions; if mitigations are unavailable, CISA says to discontinue use of the product. Specific fixed Fireware version: unknown","status":"open","published_at":"2025-12-19T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:42:42+00:00","updated_at":"2026-10-23T23:44:51+00:00","category":"infrastructure","confidence":0.7,"triage":{"at":"2026-10-23T20:42:42Z","model":"claude-haiku-5-5","output":{"fix":"Apply the vendor mitigations per WatchGuard instructions; if mitigations are unavailable, CISA says to discontinue use of the product. Specific fixed Fireware version: unknown","reach":"internet","summary":"WatchGuard Fireware OS has an out-of-bounds write in its iked process that affects IKEv2 mobile user VPN and branch office VPN with a dynamic gateway peer. A remote unauthenticated attacker may be able to run arbitrary code on the Firebox appliance.","category":"infrastructure","who_cares":["watchguard-firebox","fireware-os","ikev2-vpn"],"confidence":0.7,"needs_auth":"no","worst_case":"Unauthenticated remote attacker runs arbitrary code on the Firebox appliance","analyst_note":"Find WatchGuard's advisory and the fixed Fireware versions and IKEv2 mitigation steps; the KEV entry at cisa.gov/known-exploited-vulnerabilities-catalog does not list them.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["no-ikev2-vpn-enabled","static-gateway-peer-only"],"user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"critical"},"cost_usd":0.000483,"input_tokens":2605,"output_tokens":445,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-14733':22A,25A '-2025':21A,24A 'abl':81B 'affect':61B,116C 'allow':16A,105C 'applianc':89B 'arbitrari':84B,112C 'attack':78B,109C 'bound':5A,54B,94C 'branch':67B,126C,153C,180C 'code':85B,113C 'configur':132C,143C,167C,190C 'cve':20A,23A 'delet':171C 'dynam':72B,135C,160C 'execut':111C 'exploit':34B 'firebox':27A,45B,88B,140C,173C 'firewar':11A,36B,47B,100C 'fireware':29A,31A,33A 'fireware-o':35B 'gateway':73B,136C,161C,186C 'ike':13A,58B,102C 'ikev2':39B,62B,123C,130C,150C,157C 'ikev2-vpn':38B 'infrastructur':41B 'may':15A,79B,104C,174C 'mobil':63B,119C,146C 'offic':68B,127C,154C,181C 'os':12A,37B,48B,101C 'out-of-bound':2A,51B,91C 'peer':74B,137C,162C,187C 'previous':142C 'process':14A,59B,103C 'ransomwar':42B 'remot':18A,76B,107C 'run':83B 'sinc':169C 'static':185C 'still':175C,189C 'unauthent':19A,77B,108C 'use':129C,156C 'user':64B,120C,147C 'vpn':40B,65B,69B,121C,128C,148C,155C,182C 'vulner':7A,96C,115C,177C 'watchguard':10A,26A,28A,30A,32A,44B,46B,99C 'watchguard-firebox':43B 'write':6A,55B,95C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2025-12-19T00:00:00+00:00","kev":{"dateAdded":"2025-12-19","dueDate":"2025-12-26","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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:Red","cvss_by":"5d1c2695-1a31-4499-88ae-e847036fd7e3","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2025-14733","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-14733","severity":null,"published_at":"2025-12-19T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T11:39:14+00:00","note":null},{"source":"nvd","external_id":"CVE-2025-14733","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-14733","severity":null,"published_at":"2025-12-19T01:16:05+00:00","modified_at":"2026-09-09T04:17:52+00:00","first_seen_at":"2026-10-23T23:44:51+00:00","fetched_at":"2026-10-23T23:44:51+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"}