---
id: CVE-2026-121932
title: Linksys E5350 apply.cgi system os command injection
summary: >-
  A vulnerability was detected in Linksys E5350 1.0.00.037. This affects the
  function system of the file /wizard/apply.cgi. Performing a manipulation of
  the argument ping_ip/traceroute_ip results in os command injection. The attack
  may be …
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C'
cvssSource: cna
cwe:
  - CWE-78
  - CWE-77
vendor: Linksys
product: E5350
affected:
  - E5350 1.0.00.037
published: '2026-11-04'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T19:00:19.173Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121932'
references:
  - url: 'https://vuldb.com/vuln/431044'
    label: VDB-431044 | Linksys E5350 apply.cgi system os command injection
  - url: 'https://vuldb.com/vuln/431044/cti'
    label: 'VDB-431044 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-121932'
    label: CVE-2026-121932 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1024275'
    label: >-
      Submit #1024275 | Linksys E5350 1.0.00.037 Missing Authentication / OS
      Command Injection (CWE-306 / CWE-78)
  - url: 'https://vuldb.com/submit/1024277'
    label: >-
      Submit #1024277 | Linksys E5350 1.0.00.037 OS Command Injection (CWE-78)
      (Duplicate)
  - url: >-
      https://github.com/Zimo-666/E5350-cves/tree/main/01-wizard-preauth-command-injection
  - url: 'https://www.linksys.com/'
tags:
  - cve.org
ingestedAt: '2026-11-05T21:36:00.514Z'
epss: 0.02381
epssPercentile: 0.83993
---

## Overview

A vulnerability was detected in Linksys E5350 1.0.00.037. This affects the function system of the file /wizard/apply.cgi. Performing a manipulation of the argument ping_ip/traceroute_ip results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `E5350 1.0.00.037`

## Remediation

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