#VU31815 Improper Certificate Validation in RT-AC1900P - CVE-2020-15498

Vulnerability identifier: #VU31815

Vulnerability risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-15498

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RT-AC1900P
Hardware solutions / Routers for home users

Vendor: Asus

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to a missing certification validation within the downloading firmware updates. A remote attacker can perform a man-in-the-middle attack and gain access to sensitive information on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RT-AC1900P: 3.0.0.4.385_10000-gd8ccd3c

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External links
https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=27440

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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.