RCE in D-Link Dir-822
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.035 · change: +0.010
Affected products
- D-Link Dir-822 — versions A_101
- Dlink Dir-822 — versions a1
- Dlink Dir-822 Firmware — versions 1.0.1
Weakness classification (CWE)
References
- vuldb.com/vuln/359642 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/359642/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/798645 (VDB Entry, Third Party Advisory, third-party-advisory)
- tzh00203.notion.site/D-Link-DIR-822-A1-Command-Injection-in-udhcpd-via-DHCP-Hos… (Exploit, Third Party Advisory, exploit)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2026-7067?
- CVE-2026-7067 is a high-severity vulnerability in D-Link Dir-822, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-04-27.
- How severe is CVE-2026-7067?
- High severity. CVSS v3 base score is 7.3 out of 10.