CVE-2026-121933: critical vulnerability in Linksys E5350
Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 10epss 1.0%
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.
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
Affected products
Linksys · E5350public PoCs found — 1
cve_referencegithub.com/Zimo-666/E5350-cves/tree/main/02-empty-admin-password-auth-bypassunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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