{"id":"CVE-2026-27850","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-27850","generatedAt":"2026-10-28T06:14:23.492Z","title":"Due to an improperly configured firewall rule, the router will accept any connection on the WAN port with the source port 5222, exposing all services which are normally only accessible through the local network.","description":"Due to an improperly configured firewall rule, the router will accept any connection on the WAN port with the source port 5222, exposing all services which are normally only accessible through the local network.\nThis issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.","published":"2026-02-25T18:23:41.000Z","lastModified":"2026-06-17T10:27:48.000Z","status":"Deferred","sourceIdentifier":"a6d3dc9e-0591-4a13-bce7-0f5b31ff6158","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":[],"affected":[],"epss":{"score":0.00284,"percentile":0.20846,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-014.txt","source":"a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-27850","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}