CVE-2026-77683
Comfast CF-N1-S mbox-config system command injection
- State
- Published
- Severity
- 9.4 Critical
- Published
- Aug 21, 2026
- Updated
- Aug 21, 2026
- Reserved
- Aug 21, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | 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 | VulDB |
| 3.1 | 9.9 Critical | 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 | VulDB |
| 3.0 | 9.9 Critical | 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 | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
CF-N1-SComfast |
|
References
- VDB-394033 | Comfast CF-N1-S mbox-config system command injectionvdb-entrytechnical-description
- VDB-394033 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-77683 | CVE Analysis and Reportthird-party-advisory
- Submit #881058 | Comfast CF-N1-S V2.6.0.1 Command Injectionthird-party-advisory
- https://github.com/AdminSafe/CVE/issues/8exploitissue-tracking
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