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CVE-2026-127275

10, critical

Linksys EA8100 Improper Authentication Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
10, critical critical CVSS v3.1
EPSS, next 30 days
0.8% higher than 55.6% of scored CVEs
Exploitation
No public evidence
Published
13 Nov 2026yesterday

Description

A vulnerability was determined in Linksys EA8100 1.0.3.216940. This issue affects the function SetRemoteSetting/SetUnsecuredWiFiWarning of the file ui_server.lua of the component JNAP API. This manipulation of the argument isEnabled/enabled causes missing authentication. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Details

Vendor
Linksys
Product
EA8100
Weakness
CWE-287 (opens in a new tab)
Status
Deferred
Updated
13 Nov 2026
Assigner
cna@vuldb.com

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References 6

Other references 6

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Linksys CVEs

Every Linksys CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-127277 A security flaw has been discovered in Linksys EA8100 1.0.3.216940 EPSS 0.6% 10, critical
  • CVE-2026-121615 Linksys E5600 Improper Authentication Vulnerability EPSS 0.8% 10, critical
  • CVE-2026-121617 Linksys E5600 Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability EPSS 0.5% 7.5, high
  • CVE-2026-121930 Linksys WRT54GL Command Injection Vulnerability EPSS 3% 9.1, critical
  • CVE-2026-121931 Linksys WRT54GL Command Injection Vulnerability EPSS 3% 9.1, critical
  • CVE-2026-121932 Linksys E5350 Command Injection Vulnerability EPSS 2% 10, critical
  • CVE-2026-121933 Linksys E5350 Improper Authentication Vulnerability EPSS 1% 10, critical
  • CVE-2026-120283 Linksys E8450 Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability EPSS 0.6% 10, critical

Beyond this page

Is CVE-2026-127275 in your network?

This page tells you how dangerous CVE-2026-127275 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 14 Nov 2026, not the live upstream state.