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VULNERABILITIES

CVE-2026-36538 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:8.4 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA: CISA-ADPCVSS-B:7.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/sir3ns/cve-disclosure/blob/main/CVE-2026-36538/readme.md CISA-ADPExploitTechnical Description
https://github.com/sir3ns/cve-disclosure/blob/main/CVE-2026-36538/readme.md [email protected]ExploitTechnical Description

Weakness Enumeration

CWE-IDCWE NameSource
CWE-798Use of Hard-coded CredentialsCISA-ADP

Affected Products

ProductVersions
Netis AC1200 Router NC21
V4.0.1.4296

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-36538
NVD Published Date:
May 27, 2026
NVD Last Modified:
Jul 5, 2026
Source:
[email protected]
CVE-2026-36538 Details - Not Deferred