CVE-2026-76008
Comfast CF-N1-S URI Parameter Parsing mbox-config get_para_from_uri stack-based overflow
- State
- Published
- Severity
- 10.0 Critical
- Published
- Aug 19, 2026
- Updated
- Aug 19, 2026
- Reserved
- Aug 18, 2026
Description
A flaw has been found in Comfast CF-N1-S 2.6.0.1. This affects the function get_para_from_uri of the file /cgi-bin/mbox-config of the component URI Parameter Parsing. This manipulation of the argument width/height causes stack-based buffer overflow. The attack can be initiated remotely.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 10.0 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X | VulDB |
| 3.1 | 10.0 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R | VulDB |
| 3.0 | 10.0 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R | VulDB |
| 2.0 | 10.0 High | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:ND/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
CF-N1-SComfast |
|
References
- VDB-391922 | Comfast CF-N1-S URI Parameter Parsing mbox-config get_para_from_uri stack-based overflowvdb-entrytechnical-description
- VDB-391922 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-76008 | CVE Analysis and Reportthird-party-advisory
- Submit #878007 | Comfast CF-N1-S V2.6.0.1 Stack-based Buffer Overflowthird-party-advisory
- https://github.com/1ChaoRen1/IOT_3related
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