CVE-2026-113390CWE-77CWE-78command-injection

CVE-2026-113390

Critical · published October 20, 2026

CVSS v3.1
9.9
EPSS
2%
Percentile
81.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · 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
EPSS
0.02136 · 81.9th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-10-20T17:16Z
References (5)
EPSS history
Timeline
  • 22 OCT 03:29Z
    EPSS moved — → 2%
    epss
  • 20 OCT 12:30Z
    DrayTek Vigor2960 CGI mainfunction.cgi sub_182B0 os command injection
    cvelistv5
  • 20 OCT 12:30Z
    DrayTek Vigor2960 CGI mainfunction.cgi sub_182B0 os command injection
    cvelistv5