CVE-2026-113389: A vulnerability was detected in DrayTek Vigor2960 1.5.1.6 Revision 8218
CVE-2026-113389 is a critical-severity flaw (CVSS 9.9) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability was detected in DrayTek Vigor2960 1.5.1.6 Revision 8218. Affected by this vulnerability is the function set_table of the file /cgi-bin/mainfunction.cgi of the component CGI Process. The manipulation of the argument sectiontype results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor explains: "2960 1.5.1.7 has corrected many security issues. And 2960 is EoS with limit
Why this priority
- Critical severity
- CISA SSVC: public proof of concept
A fixed release or distro patch exists.
Last updated 2026-10-20 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-113389?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-113389 being exploited?
CVE-2026-113389 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-113389 affect?
CVE-2026-113389 affects affected software. Severity is critical (CVSS 9.9). A vulnerability was detected in DrayTek Vigor2960 1.5.1.6 Revision 8218. Affected by this vulnerability is the function set_table of the file /cgi-bin/mainfunction.cgi of the component CGI Process. The manipulation of the argument sectionty
How urgent is CVE-2026-113389?
Priority 57/100. Critical severity; CISA SSVC: public proof of concept