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  4. CVE 2026 127275 linksys ea8100 jnap api uiserverlua
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Back to active CVEs
Critical · CVSS 10.0CVE-2026-127275

Linksys EA8100 JNAP API ui_server.lua SetUnsecuredWiFiWarning missing authenticationCVE-2026-127275

Answer in brief

CVE-2026-127275 records a Critical severity (CVSS 10.0) vulnerability in Linksys EA8100 JNAP API ui_server.lua SetUnsecuredWiFiWarning missing authentication. The current sources do not mark it as known exploited. The current feed maps Linksys/EA8100 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 12, 2026Updated Nov 12, 2026Source checked Nov 13, 2026First seen by HOL Nov 13, 2026Material review Nov 12, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 10.0
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linksys/EA8100 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linksys/EA8100generic1.0.3.216940Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linksys/EA8100.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 13, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencelinksys.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Linksys EA8100 JNAP API IsAdminPasswordDefault missing authenticationSame linksys/ea8100 package
  • Linksys EA8100 CheckAdminPassword excessive authenticationSame linksys/ea8100 package
  • Linksys EA8100 Web UI cookie httponly flagSame linksys/ea8100 package
  • Linksys EA8100 SMB Service service_smbd.sh initializationSame linksys/ea8100 package

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-306, CWE-287
Source
CVE List V5
Source checked
Nov 13, 2026
References
6 linked sources
Open source record