CVE-2026-7067

A vulnerability was determined in D-Link DIR-822 A_101. The impacted element is the function system of the file /udhcpcd/dhcpd.c of the component udhcpd DHCP Service. This manipulation of the argument Hostname causes command injection. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://tzh00203.notion.site/D-Link-DIR-822-A1-Command-Injection-in-udhcpd-via-DHCP-Hostname-337b5c52018a80d9b638d0fa59969e6b	Exploit Third Party Advisory
https://vuldb.com/submit/798645	Third Party Advisory VDB Entry
https://vuldb.com/vuln/359642	Third Party Advisory VDB Entry
https://vuldb.com/vuln/359642/cti	Permissions Required VDB Entry
https://www.dlink.com/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dlink:dir-822_firmware:1.0.1:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-822:a1:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-27 00:16

Updated : 2026-06-17 11:01

NVD link : CVE-2026-7067

Mitre link : CVE-2026-7067

CVE.ORG link : CVE-2026-7067

JSON object : View

Products Affected

dlink

dir-822
dir-822_firmware

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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