---
id: CVE-2026-116116
title: Yoosee GM8135S Camera Secure Boot signature verification
summary: >-
  A vulnerability was detected in Yoosee GM8135S Camera 21.00.01.36. Affected is
  an unknown function of the component Secure Boot. Performing a manipulation
  results in improper verification of cryptographic signature. The attack needs
  to b…
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'
cvssSource: cna
cwe:
  - CWE-347
  - CWE-345
vendor: Yoosee
product: GM8135S Camera
affected:
  - gm8135s_camera 21.00.01.36
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T04:00:19.398Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116116'
references:
  - url: 'https://vuldb.com/vuln/426184'
    label: VDB-426184 | Yoosee GM8135S Camera Secure Boot signature verification
  - url: 'https://vuldb.com/vuln/426184/cti'
    label: 'VDB-426184 | CTI Indicators (IOB, IOC)'
  - url: 'https://vuldb.com/cve/CVE-2026-116116'
    label: CVE-2026-116116 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1004712'
    label: >-
      Submit #1004712 | Gwelltimes Technology Yoosee Smart Camera GM8135S
      21.00.01.36 Insufficient Verification of Data Authenticity
  - url: 'https://akosibrylle.me/writeups/yoosee-cve'
tags:
  - cve.org
ingestedAt: '2026-10-26T04:17:21.299Z'
---

## Overview

A vulnerability was detected in Yoosee GM8135S Camera 21.00.01.36. Affected is an unknown function of the component Secure Boot. Performing a manipulation results in improper verification of cryptographic signature. The attack needs to be approached locally. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `gm8135s_camera 21.00.01.36`

## Remediation

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