Description
Insecure hardcoded credentials in the Admin account of Tenda HG21 V4.0.0-260302 allows attackers to gain root access.
Published: 2026-08-31
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Wed, 02 Sep 2026 04:45:00 +0000

Type Values Removed Values Added
Title Hardcoded Admin Credentials Grant Root Access in Tenda HG21 Router Firmware

Tue, 01 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 01 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda hg21
Vendors & Products Tenda
Tenda hg21

Mon, 31 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
Title Hardcoded Admin Credentials Grant Root Access in Tenda HG21 Router Firmware
Weaknesses CWE-798

Mon, 31 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Description Insecure hardcoded credentials in the Admin account of Tenda HG21 V4.0.0-260302 allows attackers to gain root access.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-01T14:40:41.208Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-38577

cve-icon Vulnrichment

Updated: 2026-09-01T14:40:27.832Z

cve-icon NVD

Status : Deferred

Published: 2026-08-31T21:17:07.930

Modified: 2026-09-01T21:00:36.830

Link: CVE-2026-38577

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T04:30:04Z

Weaknesses