CVE-2026-113389: DrayTek Vigor2960 CGI Process mainfunction.cgi set_table command injection

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of 28 Oct 2026. If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?

1.9%

EPSS score, percentile 79.4 of all scored records. A probability estimated by FIRST, not a report of exploitation.

CISA's SSVC assessment in the CVE record lists exploitation as poc.

How severe?

9.4 Critical

CVSS v4.0 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

• 1.5.1.6 Revision 8218

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 29 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-29_0000Z, as of 29 Oct 2026. About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Affected products and versions

As listed in the CVE record.

Source: CVE List V5 (CVE Program), cve_2026-10-29_0000Z, as of 29 Oct 2026. About the data.

About this vulnerability

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 correct…

Summary: CVE record, as of 29 Oct 2026.

• CISA has not added CVE-2026-113389 to its Known Exploited Vulnerabilities (KEV) catalog, as of 28 Oct 2026.
• The CVE record was published on 20 Oct 2026.
• The CVE record carries a CVSS v4.0 base score of 9.4 (Critical), given by its CNA.
• FIRST's EPSS model puts the probability of exploitation in the next 30 days at 1.9% (percentile 79.4), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
• CISA's SSVC assessment in the CVE record: exploitation poc, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-29_0000Z, as of 29 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 29 Oct 2026. About the data.

Description

DrayTek Vigor2960 CGI Process mainfunction.cgi set_table command injection

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.

Source: CVE List V5 (CVE Program), cve_2026-10-29_0000Z, as of 29 Oct 2026. About the data.

Weakness

• CWE-77
• CWE-74

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

References

• CVE-2026-113389 | CVE Analysis and Report (Third-party advisory)
• Submit #992223 | DrayTek Vigor2960 Vigor2960 1.5.1.6 (revision 8218) Authenticated set_table JSONData Command Injection (Third-party advisory)
• VDB-422665 | DrayTek Vigor2960 CGI Process mainfunction.cgi set_table command injection (Vulnerability database, Technical description)
• github.com (Exploit)
• VDB-422665 | CTI Indicators (IOB, IOC, TTP, IOA)

Known exploited DrayTek vulnerabilities

• CVE-2024-12987: DrayTek Vigor Routers OS Command Injection Vulnerability (added 15 May 2025)
• CVE-2020-15415: DrayTek Multiple Vigor Routers OS Command Injection Vulnerability (added 30 Sep 2024)
• CVE-2021-20123: Draytek VigorConnect Path Traversal Vulnerability (added 3 Sep 2024)
• CVE-2021-20124: Draytek VigorConnect Path Traversal Vulnerability (added 3 Sep 2024)
• CVE-2020-8515: Multiple DrayTek Vigor Routers Web Management Page Vulnerability (added 3 Nov 2021)