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CVE-2026-127275

Linksys EA8100 JNAP API ui_server.lua SetUnsecuredWiFiWarning missing authentication

10.0 criticalExploit reference

Critical (10.0) in linksys ea8100.

On this page
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.

Severity

CVSS 4.0

10.0 critical
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

CVSS 3.1

10.0 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RC:C
CWEs
CWE-306 Missing Authentication for Critical Functionality
CWE-287 Improper Authentication
OWASP Top 10
A07:2025 Authentication Failures
Published
Assigned by
VulDB (CNA)
NVD analysis
Not in the NVD yet
Record from
the CVE List, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
Linksys EA81001.0.3.216940

Attack patterns (CAPEC)

  • CAPEC-12 Choosing Message Identifier Likelihood: High · Severity: High
  • CAPEC-36 Using Unpublished Interfaces or Functionality Likelihood: Medium · Severity: High
  • CAPEC-62 Cross Site Request Forgery Likelihood: High · Severity: Very High
  • CAPEC-166 Force the System to Reset Values Severity: Medium
  • CAPEC-216 Communication Channel Manipulation
  • CAPEC-22 Exploiting Trust in Client Likelihood: High · Severity: High
  • CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data Likelihood: Medium · Severity: Very High
  • CAPEC-94 Adversary in the Middle (AiTM) Likelihood: High · Severity: Very High
  • CAPEC-114 Authentication Abuse Severity: Medium
  • CAPEC-115 Authentication Bypass Severity: Medium

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-287.

References

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