Is CVE-2026-77946 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-77946?

CVE-2026-77946 has a CVSS v3 severity of CRITICAL (10).

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CVE-2026-77946

Description

A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function uci_safe_get of the file /cgi-bin/apply_time.cgi of the component NTP Timezone Configuration Handler. Executing a manipulation of the argument system.ntp.server/system.ntp.enable_server/cameo.time.time_zone/cameo.cameo.syslog_server can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.