{"id":"CVE-2022-26318","kind":"vulnerability","aliases":["CVE-2022-26318"],"related":[],"title":"WatchGuard Firebox and XTM Appliances: WatchGuard Firebox and XTM Appliances Arbitrary Code Execution","description":"On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka FBX-22786. This vulnerability impacts Fireware OS before 12.7.2_U2, 12.x before 12.1.3_U8, and 12.2.x through 12.5.x before 12.5.9_U2.","summary":"WatchGuard Firebox and XTM network appliances let an unauthenticated user execute arbitrary code on the device. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":9.8,"epss":0.78157,"exploited":true,"exploited_at":"2022-03-25T00:00:00+00:00","products":[{"name":"WatchGuard Firebox and XTM Appliances","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","firebox","infrastructure","network-appliance","watchguard","xtm"],"not_affected_if":["no-firebox-or-xtm-appliance"],"how_to_check":null,"fix":"Apply the vendor update per WatchGuard instructions; the sources do not name the fixed version.","status":"open","published_at":"2022-03-04T18:15:08+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:21:53+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"infrastructure","confidence":0.7,"triage":{"at":"2026-10-23T21:21:53Z","model":"claude-haiku-5-5","output":{"fix":"Apply the vendor update per WatchGuard instructions; the sources do not name the fixed version.","reach":"unknown","impact":"high","summary":"WatchGuard Firebox and XTM network appliances let an unauthenticated user execute arbitrary code on the device. CISA lists it as actively exploited in the wild.","category":"infrastructure","who_cares":["watchguard","firebox","xtm","network-appliance"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs arbitrary code on the firewall appliance without logging in","analyst_note":"Find affected and fixed firmware versions and the exposure check from WatchGuard's advisory for CVE-2022-26318; the sources here only give the CISA KEV entry and EPSS score.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["no-firebox-or-xtm-appliance"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000461,"input_tokens":2842,"output_tokens":353,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':15A,18A '-22786':73C '-26318':16A,19A '12':82C '12.1.3':85C '12.2':88C '12.5':91C '12.5.9':94C '12.7.2':80C 'activ':53B 'aka':71C 'and':22A 'applianc':5A,10A,30B,38B,63C 'appliances':24A 'arbitrari':11A,44B,69C 'cisa':49B 'code':12A,45B,70C 'cve':14A,17A 'devic':48B 'execut':13A,43B,68C 'exploit':25B,54B 'fbx':72C 'firebox':2A,7A,21A,26B,34B,60C 'firewar':77C 'impact':76C 'infrastructur':27B 'let':39B 'list':50B 'network':29B,37B 'network-appli':28B 'os':78C 'u2':81C,95C 'u8':86C 'unauthent':41B,65C 'user':42B,66C 'vulner':75C 'watchguard':1A,6A,20A,31B,33B,59C 'wild':57B 'x':83C,89C,92C 'xtm':4A,9A,23A,32B,36B,62C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-03-04T18:15:08+00:00","kev":{"dateAdded":"2022-03-25","dueDate":"2022-04-15","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2022-26318","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-26318","severity":null,"published_at":"2022-03-25T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T11:39:16+00:00","note":null},{"source":"epss","external_id":"CVE-2022-26318","url":"https://api.first.org/data/v1/epss?cve=CVE-2022-26318","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-26318","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26318","severity":null,"published_at":"2022-03-04T18:15:08+00:00","modified_at":"2026-06-17T04:34:58+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+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"}