Vulnerability record · CVE-2026-8271 · published 11 May 2026

CVE-2026-8271: Dlink dns-320 firmware command injection vulnerability

Dlink · Dns 320 Firmware

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.

2.0 CVSS 4.0 Low EPSS 6.1% · top 6.9% CWE-77 · Command injectionCWE-78 · OS command injection

2.0CVSS 4.0 base score, v2 5.8

6.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

5References, 1 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Dns 320 Firmware Dlink

References

Link	Tags
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/D-Link%20DNS-320%20network_mgr	ExploitThird Party Advisory
https://vuldb.com/submit/810078	Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/362568	Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/362568/cti	Permissions RequiredVDB Entry
https://www.dlink.com/	Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-8271), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.