{"id":"CVE-2022-4873","aliases":["EUVD-2022-52133","GHSA-5fm2-88hc-cx64"],"status":"published","title":"Stack based overflow on Netcomm router models NF20MESH, NF20, and NL1902","description":"On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0717,"percentile":0.94333,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-01-11T20:39:53Z","modified":"2026-06-17T05:22:04Z","products":[{"vendor":"netcomm","product":"nf20"},{"vendor":"netcomm","product":"nf20mesh"},{"vendor":"netcomm","product":"nl1902"},{"vendor":"netcommwireless","product":"nf20_firmware"},{"vendor":"netcommwireless","product":"nf20mesh_firmware"},{"vendor":"netcommwireless","product":"nl1902_firmware"}],"references":[{"url":"https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/986018"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4873"},{"url":"https://github.com/advisories/GHSA-5fm2-88hc-cx64"}],"sources":{"cve":[{"id":"CVE-2022-4873","title":"Stack based overflow on Netcomm router models NF20MESH, NF20, and NL1902","description":"On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.","status":"published","published":"2023-01-11T20:39:53.548Z","modified":"2025-11-04T19:14:30.799Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"updated_at":"2026-11-02T14:34:37.932195Z"}],"euvd":[{"id":"EUVD-2022-52133","description":"On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.","status":"published","published":"2023-01-11T20:39:53Z","modified":"2025-11-04T19:14:30Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:49:22.827048Z"}],"ghsa":[{"id":"GHSA-5fm2-88hc-cx64","title":"On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the...","description":"On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.","status":"published","published":"2023-01-11T21:30:40Z","modified":"2025-11-04T21:30:28Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:04:35.00238Z"}],"nvd":[{"id":"CVE-2022-4873","description":"On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.","status":"published","published":"2023-01-11T21:15:10.307Z","modified":"2026-06-17T05:22:04.887Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:35.157734Z"}]}}