CVE-2026-36538

May 28, 2026, 2:16 p.m.

7.3
High

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.

Product(s) Impacted

Vendor Product Versions
Netis
  • Ac1200 Router
  • nc21

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-798
Use of Hard-coded Credentials
The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
h netis ac1200_router nc21 v4.0.1.4296 / / / / / /

References

http://netis-system.com
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

Tags

[email protected]
CWE-798
2026-05-27
CVE-2026-36538

CVSS Score

7.3 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: LOW
  • Availability Impact: LOW

    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

    View Vector String

Timeline

Published: May 27, 2026, 2:16 p.m.
Last Modified: May 28, 2026, 2:16 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.