{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-77683", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-21T05:31:50.847Z", "datePublished": "2026-08-21T10:15:08.099Z", "dateUpdated": "2026-08-21T13:52:02.069Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-21T10:15:08.099Z" }, "title": "Comfast CF-N1-S mbox-config system command injection", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-77", "lang": "en", "description": "Command Injection" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-74", "lang": "en", "description": "Injection" } ] } ], "affected": [ { "vendor": "Comfast", "product": "CF-N1-S", "versions": [ { "version": "2.6.0.1", "status": "affected" } ], "cpes": [ "cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*" ] } ], "descriptions": [ { "lang": "en", "value": "A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function system of the file /cgi-bin/mbox-config?method=SET§ion=ntp_timezone. The manipulation of the argument timestr results in command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "baseScore": 9.4, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P", "baseSeverity": "CRITICAL" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 9.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "CRITICAL" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 9.9, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "CRITICAL" } }, { "cvssV2_0": { "version": "2.0", "baseScore": 9, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR" } } ], "timeline": [ { "time": "2026-08-21T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-08-21T02:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-08-21T07:36:56.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "010hex (VulDB User)", "type": "reporter" } ], "references": [ { "url": "https://vuldb.com/vuln/394033", "name": "VDB-394033 | Comfast CF-N1-S mbox-config system command injection", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/vuln/394033/cti", "name": "VDB-394033 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/cve/CVE-2026-77683", "name": "CVE-2026-77683 | CVE Analysis and Report", "tags": [ "third-party-advisory" ] }, { "url": "https://vuldb.com/submit/881058", "name": "Submit #881058 | Comfast CF-N1-S V2.6.0.1 Command Injection", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/AdminSafe/CVE/issues/8", "tags": [ "exploit", "issue-tracking" ] } ], "x_generator": [ "VulDB PVTS v202608" ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-21T13:51:46.509367Z", "id": "CVE-2026-77683", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-21T13:52:02.069Z" } } ] } }