Linksys
Not on CISA's list of exploited flaws, and not in the news we track.
CVE-2026-127275Critical9.3
Reading the vendor advisory
Black Shard's team can check your exposure to CVE-2026-127275 and take the fix off your plate.
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.
Black Shard's team can check your exposure, take a fix off your plate or step in on a live incident.
Severity
9.3of 10, critical
Updated 13 Nov 2026, 12:03 UTC, 31 of 36 sources answering.
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