RCE in Draytek Vigor2960
CVE-2026-113396
A weakness has been identified in DrayTek Vigor2960 1.5.1.6 Revision 8218. The impacted element is the function rename_table of the file /cgi-bin/mainfunction.cgi of the component Rename Table Handler. This manipulation of the argument newtable causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.5.1.7 is sufficient to resolve this issue. It is suggested to upgrade the affected component. 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 .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.
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
- fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.7/Vigor2960_v1.5.1.7.zip (patch)
- github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV… (exploit)
- CVE-2026-113396 | CVE Analysis and Report (third-party-advisory)
- Submit #992249 | DrayTek Vigor2960 Vigor2960 1.5.1.6 (revision 8218) Authenticated rename_table Command Injection (third-party-advisory)
- VDB-422672 | DrayTek Vigor2960 Rename Table mainfunction.cgi rename_table command injection (technical-description, vdb-entry)
- VDB-422672 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-113396?
- CVE-2026-113396 is a high-severity vulnerability in Draytek Vigor2960, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.4/10. Published 2026-10-20.
- How severe is CVE-2026-113396?
- High severity. CVSS v3 base score is 7.4 out of 10.