Use of a Key Past its Expiration Date in Asus Hardware solutions

#VU71218 Use of a Key Past its Expiration Date in Asus Hardware solutions

Published: 2023-01-17 | Updated: 2023-06-20

Vulnerability identifier: #VU71218

Vulnerability risk: High

CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-35401

CWE-ID: CWE-324

Exploitation vector: Network

Exploit availability: No

Vendor: Asus

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to authentication bypass issue in the get_IFTTTTtoken.cgi functionality. A remote attacker can send specially crafted HTTP requests and gain full administrative access to the device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RT-AX82U: 3.0.0.4.386_49674-ge182230

External links
http://talosintelligence.com/vulnerability_reports/TALOS-2022-1586
http://www.hkcert.org/security-bulletin/asus-router-multiple-vulnerabilities_20230620
http://www.asus.com/content/asus-product-security-advisory/#06/19/2023

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability

Multiple vulnerabilities in ASUS Routers