CVE-2026-36538

EUVD-2026-32685
Netis AC1200 Router NC21 V4.0.1.4296 contains a hard-coded root credential stored in /etc/shadow.sample. The password for the root account is set to the trivially weak value root, allowing an attacker with access to the device to authenticate as root and gain full control of the underlying operating system.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 21%
Common Weakness Enumeration
References
https://github.com/sir3ns/cve-disclosure/blob/main/CVE-2026-36538/readme.md
https://github.com/sir3ns/cve-disclosure/blob/main/CVE-2026-36538/readme.md