CVE-2019-6258

moderate-risk
Published 2020-08-18

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.

Do I need to act?

~
1.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

D-Link

References (4)

Exploit https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-6258
Patch https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1...
Exploit https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-6258
Patch https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1...
41
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 4/34 · Minimal
Exposure 5/34 · Minimal