Critical severity9.8NVD Advisory· Published Aug 18, 2020· Updated Jun 17, 2026

CVE-2019-6258

Description

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

D-Link/DIR-822description
Dlink/DIR-822 Rev.Bxllm-create
Range: <=v.202KRb06
Dlink/Dir 822\+ Firmware
cpe:2.3:o:d-link:dir-822_firmware:*:*:*:*:*:*:*:*
Range: <=2.02krb06

Patches

Vulnerability mechanics

References

supportannouncement.us.dlink.com/announcement/publication.aspxnvdPatchVendor Advisory
github.com/pr0v3rbs/CVE/tree/master/CVE-2019-6258nvdExploitThird Party Advisory

News mentions

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epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000