Improper access control in DIR-823G - CVE-2019-7390

 

Improper access control in DIR-823G - CVE-2019-7390

Published: February 6, 2019


Vulnerability identifier: #VU17399
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-7390
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists in /bin/goahead due to incorrect access control. A remote unauthenticated attacker can hijack the DNS service configuration of all clients in the WLAN, without authentication, via the SetWanSettings HNAP API.


Affected software

DIR-823G

How to mitigate CVE-2019-7390

Install updates from vendor's website.


External References

Related Security Bulletins