A post-authentication command injection vulnerability in the NTP feature of Zyxel NBG6604 firmware version V1.01(ABIR.1)C0 could allow an authenticated attacker to execute some OS commands remotely by sending a crafted HTTP request.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.7% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)