CVE-2026-7067

HIGH

D-Link DIR-822 udhcpd DHCP Service dhcpd.c system command injection

Title source: cna

Description

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.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/359642

[Signature, Permissions Required] https://vuldb.com/vuln/359642/cti

[Third Party Advisory] https://vuldb.com/submit/798645

[Exploit] https://tzh00203.notion.site/D-Link-DIR-822-A1-Command-Injection-in-udhcpd-via-DHCP-Hostname-337b5c52018a80d9b638d0fa59969e6b

[Product] https://www.dlink.com/

Scores

CVSS v3 7.3

EPSS 0.0094

EPSS Percentile 76.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-74 CWE-77

Status published

Products (1)

D-Link/DIR-822 A_101

Published Apr 27, 2026

Tracked Since Apr 27, 2026