Vulnerability in Secure Boot of Yoosee GM8135S Camera by Gwelltimes Technology
CVE-2026-116116

9.3CRITICAL

Key Information:

Vendor

Yoosee

Status
Gm8135s Camera
Vendor
CVE Published:
26 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-116116?

A vulnerability exists in the Yoosee GM8135S Camera affecting the Secure Boot component. This flaw allows local manipulation that results in improper verification of the cryptographic signature, potentially compromising the device's integrity. Despite early notifications, the vendor has not responded to the disclosure, leaving users at risk. The exploit is publicly available, making it essential for users to be aware and take precautions against potential attacks.

Affected Version(s)

GM8135S Camera 21.00.01.36

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-116116 - Proof of Concept

References

https://vuldb.com/vuln/426184
vdb-entry
https://vuldb.com/vuln/426184/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116116
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

brylleee (VulDB User)
VulDB CNA Team
.