Vulnerability · Published Nov 2, 2026 · Assigned by VulDB
CVE-2026-120336VStarcam O-KAM Client DevDll_925.dll FUN_10003EA0 stack-based overflow
High 7.3
In plain English
A high-severity stack buffer overflow in O-KAM Client from VStarcam. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| VStarcam | O-KAM Client | 1.3.3.32 |
Weakness: CWE-121, CWE-119 · Vector: 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
References
- VDB-429661 | VStarcam O-KAM Client DevDll_925.dll FUN_10003EA0 stack-based overflow vdb-entry, technical-description
- VDB-429661 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-120336 | CVE Analysis and Report third-party-advisory
- Submit #1016301 | Shenzhen VStarcam Technology Co., Ltd O-KAM Client (DevDll_925.dll) 1.3.3.32 CWE-121: Stack-based Buffer Overflow third-party-advisory
- https://gist.github.com/Ishanoshada/f6345a42a46e1345e6c7400aac311d77 exploit