CVE-2026-36742

Hiseeu C90 v5.7.15 is vulnerable to Insecure Permissions

Medium · published May 13, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
14.1
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00239 · 14.1th percentile
Published
2026-05-13T00:00Z
EPSS history
Timeline
  • 13 MAY 00:00Z
    Hiseeu C90 v5.7.15 is vulnerable to Insecure Permissions
    cvelistv5