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CVE-2026-36538

7.3 HIGH

Netis AC1200 Router NC21 V4.0.1.4296 contains a hard-coded root credential stored in /etc/shadow.sample

Published: 2026-05-27 · Last updated: 2026-05-28

Severity and scoring

CVSS
7.3 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
CWE-798

Description

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.

Source: NVD

References

Related CVEs

Same CWE

  • CVE-2026-22312 — The device has a webserver that exposes a REST API authenticated with a constant token (8.6 HIGH)
  • CVE-2026-50083 — The Aqara IAM/SSO Gateway (gw-builder.aqara.com) used a hardcoded OAuth client credential, which is an instance of "CWE-798: Use of Hard-... (9.1 CRITICAL)
  • CVE-2026-10557 — The Yarbo Android and iOS applications contain hard-coded MQTT broker credentials that are identical for all users and all devices (9.8 CRITICAL)
  • CVE-2026-11849 — The  iRM-IEI Remote Management developed by IEI Integration Corp has a Hardcoded Credentials vulnerability, allowing unauthenticated remo... (9.8 CRITICAL)
  • CVE-2026-47281 — Improper input validation in Visual Studio Code allows an unauthorized attacker to elevate privileges over a network (9.6 CRITICAL)