CVE-2026-77022
Comfast CF-N1-S SSID Configuration mbox-config sub_44B438 stack-based overflow
- State
- Published
- Severity
- 9.4 Critical
- Published
- Aug 20, 2026
- Updated
- Aug 21, 2026
- Reserved
- Aug 20, 2026
Description
A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function sub_44B438 of the file /cgi-bin/mbox-config?method=SET§ion=ptest_ssid of the component SSID Configuration. The manipulation of the argument ssid results in stack-based buffer overflow. The attack can be executed 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-393637 | Comfast CF-N1-S SSID Configuration mbox-config sub_44B438 stack-based overflowvdb-entrytechnical-description
- VDB-393637 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-77022 | CVE Analysis and Reportthird-party-advisory
- Submit #880599 | Comfast CF-N1-S V2 V2.6.0.1 Buffer Overflowthird-party-advisory
- https://github.com/AdminSafe/CVE/issues/5exploitissue-tracking
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