CVE-2026-2823: The NTP Field That Set the Clock and Spawned a Shell
A `timestr` value from a JSON config request lands in `sprintf` and then `system()` on the Comfast CF-E7, with no sanitization between the wire and the shell — a textbook command injection in a router CGI that, on this firmware, runs as root.
https://www.ehabhussein.com/p/cve-2026-2823-the-ntp-field-that-set-the-clock-and-spawned-a-shell
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CVE-2026-2823: The NTP Field That Set the Clock and Spawned a Shell
A `timestr` value from a JSON config request lands in `sprintf` and then `system()` on the Comfast CF-E7, with no sanitization between the wire and the shell — a textbook command injection in a router CGI that, on this firmware, runs as root.