CVE-2019-6258: Buffer Overflow
D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a /HNAP1/SetClientInfo HNAP protocol message, which is mishandled in /usr/sbin/udhcpd during reading of the /var/servd/LAN-1-udhcpd.conf file.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2019-6258?
The severity of CVE-2019-6258 is critical with a CVSS score of 9.8.
Which devices are affected by CVE-2019-6258?
D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older are affected by CVE-2019-6258.
What is the vulnerability description of CVE-2019-6258?
CVE-2019-6258 is a buffer overflow vulnerability that allows an attacker to trigger a buffer overflow via long MacAddress data in a HNAP protocol message, which is mishandled in /usr/sbin/udhcpd during reading of the /var/servd/LAN-1-udhcpd.conf file.
How can I fix CVE-2019-6258?
To fix CVE-2019-6258, update the firmware of your D-Link DIR-822 Rev.Bx device to a version newer than v.202KRb06.