RCE in D-Link Dns-320
CVE-2026-8271
A vulnerability was identified in D-Link DNS-320 2.06B01. The impacted element is the function cgi_speed/cgi_dhcpd_lease/cgi_ddns/cgi_set_ip/cgi_upnp_del/cgi_dhcpd/cgi_upnp_add/cgi_upnp_edit of the file /cgi-bin/network_mgr.cgi. The manipulation leads to os command injection. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.061 (93.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.061 · change: +0.014
Affected products
- D-Link Dns-320 — versions 2.06B01
- Dlink Dns-320
- Dlink Dns-320 Firmware — versions 2.06b01
Weakness classification (CWE)
References
- vuldb.com/vuln/362568 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/362568/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/810078 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/ma… (Exploit, Third Party Advisory, exploit)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2026-8271?
- CVE-2026-8271 is a medium-severity vulnerability in D-Link Dns-320, classified under Command Injection. CVSS score: 4.7/10. Published 2026-05-11.
- How severe is CVE-2026-8271?
- Medium severity. CVSS v3 base score is 4.7 out of 10.