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CVE-2026-116116 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.6 MEDIUMVector:CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://akosibrylle.me/writeups/yoosee-cve	[email protected]	ExploitRemedyTechnical Analysis
https://vuldb.com/cve/CVE-2026-116116	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/1004712	[email protected]	Issue TrackingPermission Required
https://vuldb.com/vuln/426184	[email protected]	AdvisoryPermission Required
https://vuldb.com/vuln/426184/cti	[email protected]	Content Wall

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-345	Insufficient Verification of Data Authenticity	[email protected]
CWE-347	Improper Verification of Cryptographic Signature	[email protected]

Affected Products

Product	Versions
Yoosee GM8135S	<= 21.00.01.36
CPE No CPEs found in CPE dictionary for this product. Remediation Mitigation:low effort Isolate the camera onto a dedicated, non-routable IoT VLAN with strict firewall rules blocking all outbound internet access. Mitigation:low effort Capture the camera's local RTSP stream (rtsp://admin:[PASSWORD]@[IP_ADDRESS]:554/onvif1) and route it through a secure, self-hosted Network Video Recorder (NVR) or reverse proxy that enforces TLS. The RTSP password can typically be found on the device's physical sticker label or configured via Yoosee's NVR settings. Mitigation:low effort Connect the camera via Ethernet cable to prevent attackers from deauthenticating it from your WiFi and auto-reconnecting to a maliciously set up WiFi network. Mitigation:low effort Transition to devices that mandate transport-layer encryption by default if local isolation and secure routing are not possible.

Product

Versions

Yoosee GM8135S

<= 21.00.01.36

CPE

No CPEs found in CPE dictionary for this product.

Remediation

Mitigation:low effort
Isolate the camera onto a dedicated, non-routable IoT VLAN with strict firewall rules blocking all outbound internet access.
Mitigation:low effort
Capture the camera's local RTSP stream (rtsp://admin:[PASSWORD]@[IP_ADDRESS]:554/onvif1) and route it through a secure, self-hosted Network Video Recorder (NVR) or reverse proxy that enforces TLS. The RTSP password can typically be found on the device's physical sticker label or configured via Yoosee's NVR settings.
Mitigation:low effort
Connect the camera via Ethernet cable to prevent attackers from deauthenticating it from your WiFi and auto-reconnecting to a maliciously set up WiFi network.
Mitigation:low effort
Transition to devices that mandate transport-layer encryption by default if local isolation and secure routing are not possible.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 2, 2026	CVE Modified	CISA-ADP
Oct 26, 2026	New CVE Received	[email protected]