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CVE-2026-7067

Published: Apr 26, 2026

Modified: Apr 27, 2026

PUBLISHED

CVSS v3.1

7.3

HIGH

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.

Vendor	Product	Versions
D-Link	DIR-822	affected `A_101`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-359642 | D-Link DIR-822 udhcpd DHCP Service dhcpd.c system command injection

vdb-entry

technical-description

VDB-359642 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #798645 | D-Link DIR822A_101 A_101 Buffer Overflow

third-party-advisory

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

exploit

https://www.dlink.com/

product

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