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TI-2026-85142 Aliases CVE-2026-121933GHSA-rh2v-jr94-g2vf

Linksys E5350 Setup Wizard apply.cgi missing authentication in save_settings

Priority MEDIUM 45CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

Linksys E5350 firmware 1.0.00.037 has a missing authentication flaw in the save_settings function of /wizard/apply.cgi in the Setup Wizard component. Manipulating the wizard_router_pwd argument can bypass authentication, and the attack can be launched remotely. A public exploit exists, and the vendor did not respond to early disclosure. CVSS 4.0 base score 10.0 (CRITICAL), weaknesses CWE-287 and CWE-306.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

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.

Why it matters now

EPSS 0.00977 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinksysE53501.0.00.037—No fix listedCNA
  • E5350 VendorLinksys Affected 1.0.00.037 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:h:linksys:e5350:*:*:*:*:*:*:*:*——Linksys
  • cpe:2.3:h:linksys:e5350:*:*:*:*:*:*:*:* Versions — — ·Linksys

Remediation

No fix is listed for the E5350 1.0.00.037 firmware, and the vendor did not respond to disclosure. Restrict remote access to the device's web interface and replace the unit if no update becomes available.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-121933
  2. 2026-11-04 Alias added: GHSA-rh2v-jr94-g2vf

References

Exploit 1

Other 1

  • TI-2025-24206 Linksys Routers E/WAG/WAP/WES/WET/WRT-Series CVSS 4.0CRITICAL 10.0
  • TI-2017-12715 OS command injection in Linksys WVBR0 CVSS 3.0CRITICAL 9.8
  • TI-2026-70977 Stack-based buffer overflow in Linksys E1700 Mac Filter CVSS 4.0CRITICAL 10.0
  • TI-2026-22199 Missing neutralization in Linksys MR9600, Linksys MX4200 CVSS 3.1CRITICAL 9.8
  • TI-2026-22198 Missing neutralization in Linksys MR9600, Linksys MX4200 CVSS 3.1CRITICAL 9.8
  • TI-2026-22197 Missing authentication in Linksys MR9600, Linksys MX4200 CVSS 3.1CRITICAL 9.8
See all 253 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences