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Vulnerability record · CVE-2018-14496 · published 10 July 2019

CVE-2018-14496: Vivotek fd8136 firmware out-of-bounds write vulnerability

Vivotek · Fd8136 Firmware

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

9.8 CVSS 3.0 Critical EPSS 4.1% · top 9.7% CWE-787 · Out-of-bounds write
9.8CVSS 3.0 base score, v2 7.5
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.vdalabs.com/2018/07/23/professional-iot-hacking-series-target-selection-firmware-analysis/ ExploitThird Party Advisory
https://www.vdalabs.com/2018/11/29/professional-iot-hacking-series-hunting-remote-memory-corruption/ ExploitThird Party Advisory
https://www.vdalabs.com/2018/07/23/professional-iot-hacking-series-target-selection-firmware-analysis/ ExploitThird Party Advisory
https://www.vdalabs.com/2018/11/29/professional-iot-hacking-series-hunting-remote-memory-corruption/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-14495Vivotek fd8136 firmware os command injection vulnerabilityVivotek FD8136 devices allow Remote Command Injection, aka "another command injection vulnerability in our target device," a different issue than CVE…EPSS 4.4%9.8CVE-2018-14494Vivotek fd8136 firmware os command injection vulnerabilityVivotek FD8136 devices allow Remote Command Injection, related to BusyBox and wget. NOTE: the vendor sent a clarification on 2019-09-17 explaining th…EPSS 3.2%8.8CVE-2026-30650Vivotek fd8136 firmware classic buffer overflow vulnerabilityA post-authentication remote buffer overflow vulnerability exists in the /cgi-bin/admin/eventtask.cgi endpoint of the admin interface of Vivotek FD81…EPSS 0.89%8.8CVE-2026-30652Vivotek fd8136 firmware classic buffer overflow vulnerabilityA remote buffer overflow vulnerability exists in the /cgi-bin/dido/setdo.cgi endpoint of the admin interface of Vivotek FD8136 cameras running firmwa…EPSS 0.76%7.3CVE-2026-30649Vivotek fd8136 firmware stack-based buffer overflow vulnerabilityBuffer Overflow vulnerability in VIVOTEK INC FD8136-VVTK-0300a allows a remote attacker to execute arbitrary code via the set_getparam.cgi componentEPSS 0.49%6.5CVE-2026-35718Vivotek fd8136 firmware path traversal vulnerabilityA path traversal vulnerability in the /admin/downloadMedias.cgi endpoint of VIVOTEK INC FD8136-VVTK firmware 0300a allows authenticated attackers to …EPSS 0.99%6.3CVE-2026-35716Vivotek fd8136 firmware stack-based buffer overflow vulnerabilityA stack-based buffer overflow in the motion_privacy.cgi binary in VIVOTEK FD8136 firmware FD8136-VVTK-0300a allows authenticated remote attackers to …EPSS 0.44%6.3CVE-2026-35717Vivotek fd8136 firmware stack-based buffer overflow vulnerabilityA stack-based buffer overflow in the export_language.cgi binary in VIVOTEK FD8136 firmware FD8136-VVTK-0300a allows authenticated remote attackers to…EPSS 0.44%

Source: NIST National Vulnerability Database (record CVE-2018-14496), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.