{"id":"CVE-2026-77004","state":"PUBLISHED","title":"Comfast CF-N1-S mbox-config sprintf command injection","description":"A flaw has been found in Comfast CF-N1-S 2.6.0.1. This impacts the function sprintf of the file /cgi-bin/mbox-config?method=SET&section=ptest_sn. Executing a manipulation of the argument sn can lead to command injection. The attack can be launched remotely. The exploit has been published and may be used.","publishedAt":"2026-08-20T16:00:09.986Z","updatedAt":"2026-08-20T17:10:13.138Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P","source":"VulDB"},"assigner":"VulDB","products":["Comfast CF-N1-S"],"affected":[{"vendor":"Comfast","product":"CF-N1-S","versions":[{"version":"2.6.0.1","status":"affected"}],"cpes":["cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*"]}],"references":["https://vuldb.com/vuln/393623","https://vuldb.com/vuln/393623/cti","https://vuldb.com/cve/CVE-2026-77004","https://vuldb.com/submit/880584","https://github.com/lxiansheng488-bit/-/blob/main/%E5%8E%82%E5%95%86comefast%20%20CF-N1-S%20V2.pdf"],"weaknesses":["CWE-77","CWE-74"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/77xxx/CVE-2026-77004.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77004","state":"PUBLISHED","datePublished":"2026-08-20T16:00:09.986Z","dateUpdated":"2026-08-20T17:10:13.138Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-20T07:31:59.383Z"},"containers":{"cna":{"title":"Comfast CF-N1-S mbox-config sprintf command injection","descriptions":[{"lang":"en","value":"A flaw has been found in Comfast CF-N1-S 2.6.0.1. This impacts the function sprintf of the file /cgi-bin/mbox-config?method=SET&section=ptest_sn. Executing a manipulation of the argument sn can lead to command injection. The attack can be launched remotely. The exploit has been published and may be used."}],"affected":[{"vendor":"Comfast","product":"CF-N1-S","versions":[{"version":"2.6.0.1","status":"affected"}],"cpes":["cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://vuldb.com/vuln/393623","name":"VDB-393623 | Comfast CF-N1-S mbox-config sprintf command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/393623/cti","name":"VDB-393623 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-77004","name":"CVE-2026-77004 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/880584","name":"Submit #880584 | Comfast  CF-N1-S V2 V2.6.0.1 Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/lxiansheng488-bit/-/blob/main/%E5%8E%82%E5%95%86comefast%20%20CF-N1-S%20V2.pdf","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":7.4,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.4,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-77","type":"CWE","lang":"en","description":"Command Injection"}]},{"descriptions":[{"cweId":"CWE-74","type":"CWE","lang":"en","description":"Injection"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-08-20T16:00:09.986Z"},"timeline":[{"time":"2026-08-20T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-20T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-20T09:37:05.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"577488768 (VulDB User)","type":"reporter"}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-20T17:09:59.711548Z","id":"CVE-2026-77004","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-20T17:10:13.138Z"}}]}}}