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CVE-2026-121933Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication
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.
10.0 CRITICALEPSS 0.97%Not in KEVNVD: Deferred
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 10.0 | CRITICAL | 4.0VulDB (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| 9.3 | CRITICAL | 4.0VulDB (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| 10.0 | CRITICAL | 3.1VulDB (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| 10.0 | CRITICAL | 3.1VulDB (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RC:C |
| 10.0 | CRITICAL | 3.0VulDB (CNA) | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RC:C |
| 10.0 | HIGH | 2.0VulDB (CNA) | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| 10.0 | HIGH | 2.0VulDB (CNA) | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C |
Details
- CVE ID
- CVE-2026-121933
- Status
- Deferred
- Assigner (CNA)
- VulDB
- Published
- Nov 4, 2026
- Last modified
- 2026-11-04 20:19 UTC
Affected Products
As published by the CNA in the CVE record.
LinksysE53501 version range
- 1.0.00.037
References
- github.com https://github.com/Zimo-666/E5350-cves/tree/main/02-empty-admin-password-auth-bypass
- vuldb.com https://vuldb.com/cve/CVE-2026-121933
- vuldb.com https://vuldb.com/submit/1024276
- vuldb.com https://vuldb.com/vuln/431045
- vuldb.com https://vuldb.com/vuln/431045/cti
- linksys.com https://www.linksys.com/