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: 8.7 [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]
CVE-ID: CVE-2020-8864
CWE-ID: CWE-697
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

DIR-867-US
DIR-878
DIR-882-US

How to mitigate CVE-2020-8864

Install updates from vendor's website.

DIR-867-US - update to v1.20b10Beta
DIR-878 - update to v1.30b10Beta
DIR-882-US - update to v1.30b10Beta

External References

Related Security Bulletins