{"id":"CVE-2022-4874","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-4874","generatedAt":"2026-11-04T23:49:50.843Z","title":"Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content.","description":"Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content. In order to serve static content, the application performs a check for the existence of specific characters in the URL (.css, .png etc). If it exists, it performs a \"fake login\" to give the request an active session to load the file and not redirect to the login page.","published":"2023-01-11T21:15:10.000Z","lastModified":"2026-06-17T05:22:05.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","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":["CWE-287"],"affected":["netcommwireless/nf20 firmware","netcommwireless/nf20mesh firmware","netcommwireless/nl1902 firmware"],"epss":{"score":0.11009,"percentile":0.95909,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.0%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md","tags":["Exploit","Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/986018","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-4874","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."}