CVE-2026-4203

A vulnerability was detected in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. Impacted is the function cgi_portforwarding_add/cgi_portforwarding_del/cgi_portforwarding_modify/cgi_portforwarding_add_scan/cgi_dhcpd_lease/cgi_ddns/cgi_ip/cgi_dhcpd of the file /cgi-bin/network_mgr.cgi. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used.

The following products are affected by CVE-2026-4203 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-4203.

URL	Resource
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_122/122.md
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_123/123.md
https://vuldb.com/?ctiid.351115
https://vuldb.com/?id.351115
https://vuldb.com/?submit.770401
https://vuldb.com/?submit.770402
https://vuldb.com/?submit.770403
https://vuldb.com/?submit.770404
https://vuldb.com/?submit.770405
https://vuldb.com/?submit.770406
https://vuldb.com/?submit.770407
https://vuldb.com/?submit.770408
https://www.dlink.com/