Use of hard-coded credentials in DIR-620 - CVE-2018-6210
Published: May 24, 2018 / Updated: November 5, 2018
Vulnerability identifier: #VU13010
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2018-6210
CWE-ID: CWE-798
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: D-Link
Affected software:
DIR-620
DIR-620
Detailed vulnerability description
The vulnerability allows a remote attacker to extract Telnet credentials.
The vulnerability exists due to use of hard-coded credentials. A remote attacker can extract Telnet credentials, use the default credentials for Telnet and get administrative access to a router (the fragment of “etc/passwd”).
How to mitigate CVE-2018-6210
To mitigate the issues Kaspersky recommends:
- Restrict any access to the web dashboard using a whitelist of trusted IPs
- Restrict any access to Telnet
- Regularly change your router admin username and password.