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.

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

2.62% chance of exploitation in the next 30 days, 85th percentile

Published

2020-08-18

Updated

2024-08-04

Proof-of-concept exploits (1)

• pr0v3rbs/CVE/tree/master/CVE-2019-625812★ · 2021-12-24

Security advisories

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10175

References

• CVE Record
• NVD entry

Related

• CVE-2018-19986
• CVE-2018-19987
• CVE-2018-19988
• CVE-2018-19989
• CVE-2018-19990
• CVE-2019-20082