CVE-2026-127275
Linksys EA8100 JNAP API ui_server.lua SetUnsecuredWiFiWarning missing authentication
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| EA8100 Linksys |
1.0.3.216940 (affected) | CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 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 | CNA: VulDB |
| 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/RL:X/RC:C | CNA: VulDB |
| 3.0 / 10.0 critical |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C | CNA: VulDB |
| 2.0 / 10.0 critical |
AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C | CNA: VulDB |
| 4.0 / 9.3 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD: [email protected] |
| 3.1 / 10.0 critical |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H | NVD: [email protected] |
| 2.0 / 10.0 high |
AV:N/AC:L/Au:N/C:C/I:C/A:C | NVD: [email protected] |
Exploit evidence
References
- https://vuldb.com/vuln/436430CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/436430/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-127275CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1040997CNA: VulDB · third-party-advisory
- https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-3-unauthenticated-write-access-to-remote-management-pairing-state-and-unsecured-wifi-warning-flagCNA: VulDB · exploit
- https://www.linksys.com/CNA: VulDB · product
- https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-3-unauthenticated-write-access-to-remote-management-pairing-state-and-unsecured-wifi-warning-flag[email protected]
- https://vuldb.com/cve/CVE-2026-127275[email protected]
- https://vuldb.com/submit/1040997[email protected]
- https://vuldb.com/vuln/436430[email protected]
- https://vuldb.com/vuln/436430/cti[email protected]
- https://www.linksys.com/[email protected]
For agents and automation
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