---
id: CVE-2026-30652
title: >-
  A remote buffer overflow vulnerability exists in the /cgi-bin/dido/setdo.cgi
  endpoint of the admin interface of Vivotek FD8136 cameras running firmware
  version FD8136-VVTK-0300a
summary: >-
  A remote buffer overflow vulnerability exists in the /cgi-bin/dido/setdo.cgi
  endpoint of the admin interface of Vivotek FD8136 cameras running firmware
  version FD8136-VVTK-0300a. This flaw allows an authenticated attacker to
  execute arbi…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-120
  - CWE-120
vendor: vivotek
product: fd8136_firmware
affected:
  - fd8136_firmware = 0300a
published: '2026-06-02'
updated: '2026-07-04'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-30652'
references:
  - url: >-
      https://github.com/xchg-rax-rax/vulnerability-research/tree/main/CVE-2026-30652
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00523
epssPercentile: 0.43154
ingestedAt: '2026-07-04T22:58:05.192Z'
---

## Overview

A remote buffer overflow vulnerability exists in the /cgi-bin/dido/setdo.cgi endpoint of the admin interface of Vivotek FD8136 cameras running firmware version FD8136-VVTK-0300a. This flaw allows an authenticated attacker to execute arbitrary code as root on the device.

## Affected

- `fd8136_firmware = 0300a`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.