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CVE-2026-113390— DrayTek Vigor2960 CGI mainfunction.cgi sub_182B0 os command injection

Quick assessment

Affected
DrayTek Vigor2960
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 DrayTek Vigor2960 1.5.1.6（修订版 8218）中发现了一个安全漏洞。该漏洞影响 CGI 接口组件中 文件的 函数。通过操纵 、 或 参数，攻击者可触发操作系统命令注入。此漏洞可被远程利用，且相关利用代码已公开并可供使用。厂商说明称："2960 1.5.1.7 版本已修复了多项安全问题。由于 Vigor2960 系列已进入生命周期结束（EoS）阶段，仅提供有限支持，仅会审查重大安全问题（例如未授权访问类漏洞）。”该漏洞仅影响不再由维护者提供支持的产品。

CVSS 9.9 · Critical
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I. Basic Information for CVE-2026-113390

Vulnerability Information
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Vulnerability Title
DrayTek Vigor2960 CGI mainfunction.cgi sub_182B0 os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
DrayTek Vigor2960 1.5.1.6 Revision 8218 cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-113390

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III. Intelligence Information for CVE-2026-113390

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Other References for CVE-2026-113390 (1)

Same Patch Batch · DrayTek · 2026-10-20 · 9 CVEs total

CVE-2026-113389 9.9 CRITICAL DrayTek Vigor2960 CGI Process mainfunction.cgi set_table command injection
CVE-2026-113391 9.9 CRITICAL DrayTek Vigor2960 Upload Endpoint mainfunction.cgi uploadlangs command injection
CVE-2026-113392 7.4 HIGH DrayTek Vigor2960 Apmupload mainfunction.cgi path traversal
CVE-2026-113394 7.4 HIGH DrayTek Vigor2960 mainfunction.cgi setSWMProfile path traversal
CVE-2026-113395 7.4 HIGH DrayTek Vigor2960 swmconfigupload mainfunction.cgi cgiEscape path traversal
CVE-2026-113396 7.4 HIGH DrayTek Vigor2960 Rename Table mainfunction.cgi rename_table command injection
CVE-2026-113397 7.4 HIGH DrayTek Vigor2960 IPsec mainfunction.cgi ruequest_certificate command injection
CVE-2026-113393 6.3 MEDIUM DrayTek Vigor2960 commonupload mainfunction.cgi unrestricted upload

IV. Related Vulnerabilities

Same product: Vigor2960
Same vendor: DrayTek
Same weakness: CWE-78

V. Comments for CVE-2026-113390

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