CVE-2019-6258

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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 79%
VendorProductVersion
d-linkdir-822_firmware
𝑥
≤ 2.02krb06
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-6258
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10175
https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-6258
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10175