LINKSYS E5350 · CVE-2026-121933 · Infrastructure
NO FIX YET · SEE WHAT TO DO
The setup wizard on the Linksys E5350 router (firmware 1.0.00.037) does not check authentication when its save_settings function handles the wizard_router_pwd argument. A remote attacker can change router settings without logging in, and a public exploit has been published.
first public Nov 4, 2026 · 2 sources
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Owners of Linksys E5350 routers running firmware 1.0.00.037, where the setup wizard endpoint /wizard/apply.cgi is reachable. Exposure depends on whether the router's management interface can be reached from outside the home or office network. Sources do not say whether other firmware versions are affected.
Not affected if no-remote-admin-access, other-firmware-version
Who cares e5350, firmware, home-router, linksys
1.0.00.037 is the affected version (and the latest Linksys lists)1.0.00.037 (dated 5/17/2022) as the latest firmware, and VulDB says the vendor did not respond to disclosurePosts are quoted with a link to the original. They are data to us, never instructions.
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.
This page as .md · .json · in your agent: get_signal("CVE-2026-121933") · 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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