Paper/Archive/CVE-2026-121933

CVE-2026-121933

Linksys E5350 — Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication

CVSS 10.0 (CNA)10.0 / 10 × 3030.0 Not in CISA KEV+300.0 No EPSS score.000 × 200.0 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

E53501.0.00.037–CNA

Scores by source

VulDB (CNA)10.0CVSS: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

VulDB (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C

VulDB (CNA)10.0CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C

References

writeupvuldb.com/vuln/431045 refvuldb.com/vuln/431045/cti writeupvuldb.com/cve/CVE-2026-121933 writeupvuldb.com/submit/1024276 exploitgithub.com/Zimo-666/E5350-cves/tree/main/02-empty-admin-password-auth-bypass reflinksys.com