{"id":"CVE-2022-31793","aliases":["EUVD-2022-53184","GHSA-c4c9-87fm-m8qc"],"status":"published","title":"do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files...","description":"do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem. This occurs because the code skips over the first character when serving files. Arris NVG443, NVG599, NVG589, and NVG510 devices and Arris-derived BGW210 and BGW320 devices are affected.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.17746,"percentile":0.97199,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-22"],"published":"2022-08-04T21:55:05Z","modified":"2026-06-17T04:46:19Z","exploits":[{"source":"nuclei","id":"CVE-2022-31793","title":"muhttpd \u003c=1.1.5 - Local Inclusion","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2022/CVE-2022-31793.yaml"},{"source":"pocgithub","id":"xpgdgit/CVE-2022-31793","title":"xpgdgit/CVE-2022-31793","date":"2022-08-19","url":"https://github.com/xpgdgit/CVE-2022-31793"}],"products":[{"vendor":"arris","product":"bgw210_firmware"},{"vendor":"arris","product":"bgw320_firmware"},{"vendor":"arris","product":"nvg443_firmware"},{"vendor":"arris","product":"nvg510_firmware"},{"vendor":"arris","product":"nvg589_firmware"},{"vendor":"arris","product":"nvg599_firmware"},{"vendor":"inglorion","product":"muhttpd"}],"references":[{"url":"http://inglorion.net/software/muhttpd/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://kb.cert.org/vuls/id/495801","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://derekabdine.com/blog/2022-arris-advisory","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://blog.malwarebytes.com/exploits-and-vulnerabilities/2022/08/millions-of-arris-routers-are-vulnerable-to-path-traversal-attacks/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/495801"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31793"},{"url":"https://github.com/advisories/GHSA-c4c9-87fm-m8qc"}],"sources":{"cve":[{"id":"CVE-2022-31793","description":"do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem. This occurs because the code skips over the first character when serving files. Arris NVG443, NVG599, NVG589, and NVG510 devices and Arris-derived BGW210 and BGW320 devices are affected.","status":"published","published":"2022-08-04T21:55:05Z","modified":"2024-08-03T07:26:01.085Z","updated_at":"2026-11-02T14:34:35.279735Z"}],"euvd":[{"id":"EUVD-2022-53184","description":"do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem. This occurs because the code skips over the first character when serving files. Arris NVG443, NVG599, NVG589, and NVG510 devices and Arris-derived BGW210 and BGW320 devices are affected.","status":"published","published":"2022-08-04T21:55:05Z","modified":"2024-08-03T07:26:01Z","updated_at":"2026-11-03T03:25:32.982782Z"}],"ghsa":[{"id":"GHSA-c4c9-87fm-m8qc","title":"do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files...","description":"do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem. This occurs because the code skips over the first character when serving files. Arris NVG443, NVG599, NVG589, and NVG510 devices and Arris-derived BGW210 and BGW320 devices are affected.","status":"published","published":"2022-08-05T00:00:23Z","modified":"2023-02-01T05:02:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:49:52.829666Z"}],"nvd":[{"id":"CVE-2022-31793","description":"do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem. This occurs because the code skips over the first character when serving files. Arris NVG443, NVG599, NVG589, and NVG510 devices and Arris-derived BGW210 and BGW320 devices are affected.","status":"published","published":"2022-08-04T22:15:08.017Z","modified":"2026-06-17T04:46:19.12Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:07:24.39467Z"}]}}