CVE-2026-113390

CRITICAL 9.9

DrayTek Vigor2960 CGI mainfunction.cgi sub_182B0 os command injection

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	draytek
Product	vigor2960
Published	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

DrayTek / Vigor2960

1.5.1.6 Revision 8218

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/422666 vuldb.com: https://vuldb.com/vuln/422666/cti vuldb.com: https://vuldb.com/cve/CVE-2026-113390 vuldb.com: https://vuldb.com/submit/992224 github.com: https://github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV2960-0007-authenticated-jsonstatus-usefile-file-clobber

Credits

🔍 eqqie (VulDB User) VulDB CNA Team