Critical (9.8) in vivotek fd8136 firmware. EPSS 4.1% chance of exploitation in the next 30 days.
Vivotek FD8136 devices allow remote memory corruption and remote code execution because of a stack-based buffer overflow, related to sprintf, vlocal_buff_4326, and set_getparam.cgi. NOTE: The vendor has disputed this as a vulnerability and states that the issue does not cause a web server crash or have any other affect on it's performance
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.1% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)