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TI-2026-80249 Aliases CVE-2026-116116GHSA-8hgg-w6j7-2qjj

Improper signature verification in Yoosee GM8135S Camera Secure Boot

Priority HIGH 75CWE-345Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-345.

Summary

Yoosee GM8135S Camera from 21.00.01.36 is affected. Its Secure Boot component does not properly verify cryptographic signatures (CWE-347). A local attacker with high privileges can manipulate the boot process without user interaction. A public exploit is available.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00089 0th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
YooseeGM8135S Camera21.00.01.36—No fix listedCNA
  • GM8135S Camera VendorYoosee Affected 21.00.01.36 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:yoosee:gm8135s_camera:*:*:*:*:*:*:*:*——Yoosee
  • cpe:2.3:a:yoosee:gm8135s_camera:*:*:*:*:*:*:*:* Versions — — ·Yoosee

Remediation

The sources list no fixed version for Yoosee GM8135S Camera.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-116116
  2. 2026-10-26 Priority changed: MEDIUM → LOW
  3. 2026-10-27 Alias added: GHSA-8hgg-w6j7-2qjj
  4. 2026-11-02 CISA SSVC decision points changed
  5. 2026-11-02 Priority changed: LOW → HIGH

References

Exploit 1

  • TI-2026-80247 Cleartext transmission in Yoosee GM8135S Camera live video stream CVSS 4.0MEDIUM 6.3
  • TI-2026-80248 Improper initialization in Yoosee GM8135S Camera WiFi configuration CVSS 4.0LOW 2.3
  • TI-2025-32478 An SQL injection vulnerability in Yoosee application v6.32.4 allows authenticated users… CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences