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Vulnerabilities

Vulnerability · CVE-2026-36742

Hiseeu C90 v5.7.15 is vulnerable to Insecure Permissions.

Published May 13, 2026 · catalog updated Jun 17, 2026 · Hiseeu C90 v5.7.15 is

Check if you run it

No confirmed exploitation is on record for CVE-2026-36742. EPSS is 0.24%. Act only if a listed version of Hiseeu C90 v5.7.15 is is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Hiseeu C90 v5.7.15 is).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.24%
Remediation
Not established
Affected products
See sources for product scope

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

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-36742

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-36742. EPSS is 0.24%. Act only if a listed version of Hiseeu C90 v5.7.15 is is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-276: Incorrect Default Permissions. EPSS 0.24%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 13, 2026 · NIST NVD

    Detected

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

  2. Jun 17, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-36742

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-36742

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-36742

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.