RCE in Draytek Vigor2960
CVE-2026-113389
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Draytek Vigor2960 — versions 1.5.1.6 Revision 8218
Weakness classification (CWE)
References
- github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV… (exploit)
- vuldb.com/cve/CVE-2026-113389 (third-party-advisory)
- vuldb.com/submit/992223 (third-party-advisory)
- vuldb.com/vuln/422665 (technical-description, vdb-entry)
- vuldb.com/vuln/422665/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-113389?
- CVE-2026-113389 is a critical-severity vulnerability in Draytek Vigor2960, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.9/10. Published 2026-10-20.
- How severe is CVE-2026-113389?
- Critical severity. CVSS v3 base score is 9.9 out of 10.