---
id: CVE-2026-113392
title: DrayTek Vigor2960 Apmupload mainfunction.cgi path traversal
summary: >-
  A vulnerability was found in DrayTek Vigor2960 1.5.1.6 Revision 8218. This
  vulnerability affects unknown code of the file /cgi-bin/mainfunction.cgi of
  the component Apmupload. Performing a manipulation of the argument action
  results in p…
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-22
vendor: DrayTek
product: Vigor2960
affected:
  - Vigor2960 1.5.1.6 Revision 8218
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-20T15:22:26.774901Z'
exploitAvailable: true
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T16:06:14.838Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-113392'
references:
  - url: 'https://vuldb.com/vuln/422668'
    label: VDB-422668 | DrayTek Vigor2960 Apmupload mainfunction.cgi path traversal
  - url: 'https://vuldb.com/vuln/422668/cti'
    label: 'VDB-422668 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-113392'
    label: CVE-2026-113392 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/992245'
    label: >-
      Submit #992245 | DrayTek Vigor2960 Vigor2960 1.5.1.6 (revision 8218)
      uthenticated apmupload Path Traversal File Clobber
  - url: >-
      https://github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV2960-0009-authenticated-apmupload-path-traversal-clobber
  - url: >-
      https://fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.7/Vigor2960_v1.5.1.7.zip
tags:
  - cve.org
  - exploit-available
ingestedAt: '2026-10-20T14:08:00.580Z'
---

## Overview

A vulnerability was found in DrayTek Vigor2960 1.5.1.6 Revision 8218. This vulnerability affects unknown code of the file /cgi-bin/mainfunction.cgi of the component Apmupload. Performing a manipulation of the argument action results in path traversal. The attack is possible to be carried out remotely. The exploit has been made public and could be used. Upgrading to version 1.5.1.7 is able to resolve this issue. Upgrading the affected component is advised. 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.

## Affected

- `Vigor2960 1.5.1.6 Revision 8218`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.