Incorrect Comparison in D-Link products - CVE-2020-8864

 

Incorrect Comparison in D-Link products - CVE-2020-8864

Published: February 25, 2020


Vulnerability identifier: #VU25573
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-8864
CWE-ID: CWE-697
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: D-Link
Affected software:
DIR-867-US
DIR-878
DIR-882-US

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a lack of proper handling of empty passwords within the handling of HNAP strncmp login requests. A remote attacker on the local network can bypass authentication and reset the admin password.

An attacker can leverage this vulnerability to execute arbitrary code on the router.


How to mitigate CVE-2020-8864

Install updates from vendor's website.

Sources