CVE-2021-20158 — CRITICAL (9.8)

Vulnerability Description

Trendnet AC2600 TEW-827DRU version 2.08B01 contains an authentication bypass vulnerability. It is possible for an unauthenticated, malicous actor to force the change of the admin password due to a hidden administrative command.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Trendnet	Tew-827Dru Firmware	2.08b01
Trendnet	Tew-827Dru	2.0

Related Weaknesses (CWE)

CWE-306

References

https://www.tenable.com/security/research/tra-2021-54Third Party Advisory
https://www.tenable.com/security/research/tra-2021-54Third Party Advisory

FAQ

What is CVE-2021-20158?

CVE-2021-20158 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Trendnet AC2600 TEW-827DRU version 2.08B01 contains an authentication bypass vulnerability. It is possible for an unauthenticated, malicous actor to force the change of the admin password due to a hid...

How severe is CVE-2021-20158?

CVE-2021-20158 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-20158?

Check the references section above for vendor advisories and patch information. Affected products include: Trendnet Tew-827Dru Firmware, Trendnet Tew-827Dru.