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CVE-2026-7067

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

Published: Apr 26, 2026Updated: Apr 27, 2026 Sources: CVE List NVD
NVD MITRE
7.3CVSS
HIGH

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.

EPSS Score
0.8%
Top 25.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low

Weaknesses

CWE-74CWE-77

Affected Products

DIR-822
D-Link

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://tzh00203.notion.site/D-Link-DIR-822-A1-Command-Injection-in-udhcpd-via-DHCP-Hostname-337b5c52018a80d9b638d0fa59969e6b
tzh00203.notion.site
https://vuldb.com/submit/798645
vuldb.com
https://vuldb.com/vuln/359642
vuldb.com
and 2 more references View all →

Timeline

Published
Apr 26, 2026
Last Updated
Apr 27, 2026

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