CVE-2026-116116
Received Received - Intake

Improper Cryptographic Signature Verification in Yoosee GM8135S Camera

Publication date: 2026-10-26

Last updated on: 2026-10-26

Assigner: VulDB

Description
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.

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Meta Information

Published
2026-10-26
Last Modified
2026-10-26
Generated
2026-10-26
AI Q&A
2026-10-26
EPSS Evaluated
N/A
NVD
CVE-2026-116116
EUVD
EUVD-2026-109608

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Yoosee GM8135S Camera 21.00.01.36

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-345 The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Attack-Flow Graph

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Executive Summary

This vulnerability affects the Yoosee GM8135S Camera firmware version 21.00.01.36. It involves improper verification of cryptographic signatures during the secure boot process, allowing an attacker to bypass security checks by manipulating the system locally. The exploit is publicly available.

Impact Analysis

An attacker could exploit this to gain unauthorized access to the camera, potentially viewing or recording video without consent. Since the attack requires local access, physical compromise of the device is needed. However, public exploit availability increases risk.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive video data, violating privacy requirements under GDPR and HIPAA. Organizations using this camera may face compliance breaches, legal penalties, and reputational damage due to potential data exposure.

Mitigation Strategies

Isolate affected Yoosee GM8135S cameras from critical network segments. Disable insecure boot processes if possible. Monitor for unauthorized firmware changes or cryptographic signature failures. Contact Yoosee support for patches or updates.

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