CVE-2026-7067
D-Link DIR-822 udhcpd DHCP Service dhcpd.c system command injection
- State
- Published
- Severity
- 6.9 Medium
- Published
- Apr 26, 2026
- Updated
- Apr 27, 2026
- Reserved
- Apr 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | 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 | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
DIR-822D-Link |
|
References
- VDB-359642 | D-Link DIR-822 udhcpd DHCP Service dhcpd.c system command injectionvdb-entrytechnical-description
- VDB-359642 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #798645 | D-Link DIR822A_101 A_101 Buffer Overflowthird-party-advisory
- https://tzh00203.notion.site/D-Link-DIR-822-A1-Command-Injection-in-udhcpd-via-DHCP-Hostname-337b5c52018a80d9b638d0fa59969e6bexploit
- https://www.dlink.com/product
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