CVE-2026-121933

CRITICAL 10.0

Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306 CWE-287
Vendor	linksys
Product	e5350
Published	Nov 4, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Linksys / E5350

1.0.00.037

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/431045 vuldb.com: https://vuldb.com/vuln/431045/cti vuldb.com: https://vuldb.com/cve/CVE-2026-121933 vuldb.com: https://vuldb.com/submit/1024276 github.com: https://github.com/Zimo-666/E5350-cves/tree/main/02-empty-admin-password-auth-bypass linksys.com: https://www.linksys.com/

Credits

🔍 liuyingqi (VulDB User) VulDB CNA Team