Vulnerability · Published May 13, 2026 · Assigned by mitre
CVE-2026-36742
Medium 6.8
In plain English
A medium-severity incorrect default permissions in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.2%top 93.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Hiseeu C90 v5.7.15 is vulnerable to Insecure Permissions. The UART bootloader is accessible when battery is disconnected (hidden/debug mode).
Affected products (as reported)
Weakness: CWE-276 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H