CVE-2026-8271: D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command injection

Published May 11, 2026
·
Updated

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.

Affected Software

3 affected components
D-Link DNS-320=2.06B01
All of the following
Dlink Dns-320 Firmware=2.06b01
Dlink Dns-320

Event History

May 11, 2026
CVE Published
via MITRE·04:00 AM
Data Sourced
via MITRE·04:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
Feb 3, 58345
Event
via FIRST·07:53 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-8271?

CVE-2026-8271 has a high severity due to its potential for allowing remote code execution through OS command injection.

2

How do I fix CVE-2026-8271?

To fix CVE-2026-8271, update the D-Link DNS-320 firmware to the latest version that addresses this vulnerability.

3

What is CVE-2026-8271?

CVE-2026-8271 is a vulnerability in D-Link DNS-320 that allows OS command injection through the network_mgr.cgi interface.

4

What systems are affected by CVE-2026-8271?

CVE-2026-8271 affects D-Link DNS-320 devices running firmware version 2.06B01.

5

Is CVE-2026-8271 exploited in the wild?

As of now, there have been no confirmed reports indicating that CVE-2026-8271 is being actively exploited in the wild.

Contact

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