Vulnerability · Published May 11, 2026 · Assigned by VulDB

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

Medium 4.7

In plain English

A medium-severity OS command injection in DNS-320 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 5.1% (higher than 92% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium

Exploit odds (30 days)5.1%top 7.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
D-Link	DNS-320	2.06B01

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-362568 | D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command injection vdb-entry, technical-description
VDB-362568 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #810078 | D-Link Corporation DNS-320 ShareCenter NAS (Rev.A) Firmware 2.06B01 HOTFIX CWE-78: OS Command Injection third-party-advisory
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://www.dlink.com/ product