CVE-2021-20149 — CRITICAL (9.8)

Vulnerability Description

Trendnet AC2600 TEW-827DRU version 2.08B01 does not have sufficient access controls for the WAN interface. The default iptables ruleset for governing access to services on the device only apply to IPv4. All services running on the devices are accessible via the WAN interface via IPv6 by default.

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-863

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-2021-20149?

CVE-2021-20149 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Trendnet AC2600 TEW-827DRU version 2.08B01 does not have sufficient access controls for the WAN interface. The default iptables ruleset for governing access to services on the device only apply to IPv...

How severe is CVE-2021-20149?

CVE-2021-20149 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-2021-20149?

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