Improper Authentication in Lyra Mini and GT-AC2900 - CVE-2021-32030
Published: February 21, 2025 / Updated: June 2, 2025
Vulnerability identifier: #VU104127
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-32030
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to the application.
Affected software
Lyra Mini
GT-AC2900
GT-AC2900
How to mitigate CVE-2021-32030
Install updates from vendor's website.
Lyra Mini - update to 3.0.0.4.384.46630
GT-AC2900 - update to 3.0.0.4.386.42643
GT-AC2900 - update to 3.0.0.4.386.42643
External References
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0010.md
- https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-Gaming-Routers/RT-AC2900/HelpDesk_BIOS/
- https://www.asus.com/us/supportonly/lyra%20mini/helpdesk_bios/
- https://www.atredis.com/blog/2021/4/30/asus-authentication-bypass
- https://jvn.jp/en/vu/JVNVU97639704/index.html