CVE-2026-113390
DrayTek Vigor2960 CGI mainfunction.cgi sub_182B0 os command injection
- State
- Published
- Severity
- 9.4 Critical
- Published
- Oct 20, 2026
- Updated
- Oct 22, 2026
- Reserved
- Oct 20, 2026
Description
A flaw has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218. Affected by this issue is the function sub_182B0 of the file /cgi-bin/mainfunction.cgi of the component CGI Interface. This manipulation of the argument usefile/usescript/option causes os command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor explains: "2960 1.5.1.7 has corrected many security issues. And 2960 is EoS with limited support, only major issues would be reviewed(e.g. unauthenticated vuln.)". This vulnerability only affects products that are no longer supported by the maintainer.
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 |
|---|---|
Vigor2960DrayTek |
|
References
- VDB-422666 | DrayTek Vigor2960 CGI mainfunction.cgi sub_182B0 os command injectionvdb-entrytechnical-description
- VDB-422666 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-113390 | CVE Analysis and Reportthird-party-advisory
- Submit #992224 | DrayTek Vigor2960 Vigor2960 1.5.1.6 (revision 8218) Authenticated jsonstatus File Operations and Multi-Sink Commandthird-party-advisory
- https://github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV2960-0007-authenticated-jsonstatus-usefile-file-clobberexploit
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