What is CVE-2018-14496?

CVE-2018-14496 is a critical-severity vulnerability in Vivotek Fd8136, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-10.

How severe is CVE-2018-14496?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Vivotek Fd8136

CVE-2018-14496

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

Vulnerability class: Buffer Overflow

Published 2019-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.041 (90.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000

Affected products

Vivotek Fd8136
Vivotek Fd8136 Firmware — versions 0301a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.vdalabs.com/2018/07/23/professional-iot-hacking-series-target-selection-fir… (Exploit, Third Party Advisory)
www.vdalabs.com/2018/11/29/professional-iot-hacking-series-hunting-remote-memor… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-14496?: CVE-2018-14496 is a critical-severity vulnerability in Vivotek Fd8136, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-10.
How severe is CVE-2018-14496?: Critical severity. CVSS v3 base score is 9.8 out of 10.