CVE-2026-113391 DrayTek Vigor2960 - Command Injection

DrayTek Vigor2960 1.5.1.6 contains a command injection caused by manipulation of uploadlangs function in /cgi-bin/mainfunction.cgi Upload Endpoint, letting remote attackers execute arbitrary commands, exploit requires no special privileges.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
20 October 2026
Updated
20 October 2026
Weakness
CWE-74

Vendor fix

Upgrade to version 1.5.1.7.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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