Hiseeu C90 v5.7.15 is vulnerable to Insecure Permissions. The UART bootloader is accessible when battery is disconnected (hidden/debug mode).

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/N0tMilk/vulnerability-research cve-icon cve-icon
https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36742 cve-icon cve-icon
History

Wed, 13 May 2026 18:45:00 +0000

Type Values Removed Values Added
Title UART Bootloader Access Enables Unauthorized Firmware Reflash
Weaknesses CWE-284

Wed, 13 May 2026 16:15:00 +0000

Type Values Removed Values Added
Description Hiseeu C90 v5.7.15 is vulnerable to Insecure Permissions. The UART bootloader is accessible when battery is disconnected (hidden/debug mode).
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-13T15:42:35.798Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-36742

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-05-13T16:16:40.977

Modified: 2026-05-13T16:31:18.790

Link: CVE-2026-36742

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T18:30:46Z

Weaknesses