---
id: CVE-2026-120336
title: VStarcam O-KAM Client DevDll_925.dll FUN_10003EA0 stack-based overflow
summary: >-
  A vulnerability was found in VStarcam O-KAM Client 1.3.3.32. Affected by this
  vulnerability is the function FUN_10003EA0 in the library DevDll_925.dll. The
  manipulation results in stack-based buffer overflow. It is possible to launch
  the…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'
cvssSource: cna
cwe:
  - CWE-121
  - CWE-119
vendor: VStarcam
product: O-KAM Client
affected:
  - o-kam_client 1.3.3.32
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-11-05T16:03:32.874802Z'
exploitAvailable: true
published: '2026-11-02'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T16:03:58.016Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120336'
references:
  - url: 'https://vuldb.com/vuln/429661'
    label: >-
      VDB-429661 | VStarcam O-KAM Client DevDll_925.dll FUN_10003EA0 stack-based
      overflow
  - url: 'https://vuldb.com/vuln/429661/cti'
    label: 'VDB-429661 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-120336'
    label: CVE-2026-120336 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1016301'
    label: >-
      Submit #1016301 | Shenzhen VStarcam Technology Co., Ltd O-KAM Client
      (DevDll_925.dll) 1.3.3.32 CWE-121: Stack-based Buffer Overflow
  - url: 'https://gist.github.com/Ishanoshada/f6345a42a46e1345e6c7400aac311d77'
tags:
  - cve.org
  - exploit-available
epss: 0.00324
epssPercentile: 0.2561
ingestedAt: '2026-11-05T22:38:31.323Z'
---

## Overview

A vulnerability was found in VStarcam O-KAM Client 1.3.3.32. Affected by this vulnerability is the function FUN_10003EA0 in the library DevDll_925.dll. The manipulation results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `o-kam_client 1.3.3.32`

## Remediation

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