Vulnerability · Published Oct 20, 2026 · Assigned by VulDB

CVE-2026-113390DrayTek Vigor2960 CGI mainfunction.cgi sub_182B0 os command injection

Critical 9.9

In plain English

A critical-severity OS command injection in Vigor2960 from DrayTek. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)1.9%top 20.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
DrayTek Vigor2960 1.5.1.6 Revision 8218

Weakness: CWE-78, CWE-77 · Vector: 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

References