Yoosee GM8135S Camera 21.00.01.36 Secure Boot signature verification

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k3.23+

Summaryinfo

A vulnerability labeled as critical has been found in Yoosee GM8135S Camera 21.00.01.36. Affected by this vulnerability is an unknown functionality of the component Secure Boot. Executing a manipulation can lead to signature verification. The identification of this vulnerability is CVE-2026-116116. The attack can only be executed locally. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Yoosee GM8135S Camera 21.00.01.36. It has been declared as critical. This vulnerability affects an unknown part of the component Secure Boot. The manipulation with an unknown input leads to a signature verification vulnerability. The CWE definition for the vulnerability is CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at akosibrylle.me. This vulnerability was named CVE-2026-116116. The exploitation appears to be easy. The attack needs to be approached locally. Additional levels of successful authentication are needed for exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at akosibrylle.me. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.4

VulDB Base Score: 8.2
VulDB Temp Score: 7.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/25/2026 Advisory disclosed
10/25/2026 +0 days VulDB entry created
10/25/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: akosibrylle.me
Status: Not defined

CVE: CVE-2026-116116 (🔒)
GCVE (CVE): GCVE-0-2026-116116
GCVE (VulDB): GCVE-100-426184
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/25/2026 09:43
Changes: 10/25/2026 09:43 (54)
Complete: 🔍
Submitter: brylleee
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #1004712: Gwelltimes Technology Yoosee Smart Camera GM8135S 21.00.01.36 Insufficient Verification of Data Authenticity (by brylleee)

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