CVE-2019-6258
Last modified
CVE-2019-6258 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.62% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| D-Link | Dir-822 Firmware | <= 2.02krb06 |
References
- https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-6258Exploit, Third Party Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10175Patch, Vendor Advisory
- https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-6258Exploit, Third Party Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10175Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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