PT-2026-39570 · D Link · Dns-320

St4R · Published 2026-04-22 · Updated 2026-05-11 · CVE-2026-8271

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions D-Link DNS-320 version 2.06B01

Description Remote OS command injection is possible via the '/cgi-bin/network mgr.cgi' endpoint. The issue exists within the functions cgi speed(), cgi dhcpd lease(), cgi ddns(), cgi set ip(), cgi upnp del(), cgi dhcpd(), cgi upnp add(), and cgi upnp edit(). This allows a remote attacker to execute arbitrary operating system commands on the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

BDU:2026-09484

CVE-2026-8271

Affected Products

Dns-320

References · 12

• 🔥 https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/D-Link%20DNS-320%20network_mgr.cgi%20Multiple%20OS%20Command%20Injection%20Vulnerabilities.md · Exploit
• https://bdu.fstec.ru/vul/2026-09484 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-8271 · Security Note
• https://cve.org/CVERecord?idCVE-2026-8271 · Security Note
• https://vuldb.com/vuln/362568/cti · Note
• https://twitter.com/CVEnew/status/2053954507516653887 · Twitter Post
• https://vuldb.com/vuln/362568 · Note
• https://vuldb.com/submit/810078 · Note
• https://t.me/cveNotify/162993 · Telegram Post
• https://t.me/CVEtracker/53347 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2053759420153123012 · Twitter Post
• https://dlink.com · Note