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  4. CVE 2026 121933 linksys e5350 setup wizard applycgi savesettings
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Back to active CVEs
Critical · CVSS 10.0CVE-2026-121933

Linksys E5350 Setup Wizard apply.cgi save_settings missing authenticationCVE-2026-121933

Answer in brief

CVE-2026-121933 records a Critical severity (CVSS 10.0) vulnerability in Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication. The current sources do not mark it as known exploited. The current feed maps Linksys/E5350 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 4, 2026Updated Nov 4, 2026Source checked Nov 4, 2026First seen by HOL Nov 4, 2026Material review Nov 4, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 10.0
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linksys/E5350 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linksys/E5350generic1.0.00.037Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linksys/E5350.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 4, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencelinksys.com
Upstream source description

A flaw has been found in Linksys E5350 1.0.00.037. This impacts the function save_settings of the file /wizard/apply.cgi of the component Setup Wizard. Executing a manipulation of the argument wizard_router_pwd can lead to missing authentication. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Linksys E5350 apply.cgi system os command injectionSame linksys/e5350 package
  • yezhihao jt808-server Web Management API WebMvcConfig.addInterceptors missing authenticationAlso CWE-306
  • DeepSeek Harness Unauthenticated RPC Command ExecutionAlso CWE-306

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-306, CWE-287
Source
CVE List V5
Source checked
Nov 4, 2026
References
6 linked sources
Open source record