CVE-2019-6258
CRITICAL
9.8
CVSS Score
Published: August 18, 2020 at 04:48 PM UTC
Updated: June 17, 2026 at 02:38 AM UTC
2 products affected across 1 vendorDir 822+ FirmwareDIR-822
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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-6258x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10175CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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