CVE-2026-77148
Comfast CF-N1-S Web Management mbox-config sub_44B50C stack-based overflow
- State
- Published
- Severity
- 9.4 Critical
- Published
- Aug 20, 2026
- Updated
- Aug 20, 2026
- Reserved
- Aug 20, 2026
Description
A vulnerability was found in Comfast CF-N1-S 2.6.0.1. This impacts the function sub_44B50C of the file /cgi-bin/mbox-config?method=SET§ion=ptest_channel of the component Web Management. The manipulation results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.
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-393733 | Comfast CF-N1-S Web Management mbox-config sub_44B50C stack-based overflowvdb-entrytechnical-description
- VDB-393733 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-77148 | CVE Analysis and Reportthird-party-advisory
- Submit #880910 | Comfast CF-N1-S V2.6.0.1 Buffer Overflowthird-party-advisory
- https://github.com/AdminSafe/CVE/issues/7exploitissue-tracking
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.