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

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-11 · updated 2026-10-26
Weakness: CWE-77

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

D-Link DNS-320: 2.06b01

References

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
https://vuldb.com/submit/810078
https://vuldb.com/vuln/362568
https://vuldb.com/vuln/362568/cti
https://www.dlink.com/

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