CVE-2026-4205

A vulnerability has been found 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. The impacted element is the function cgi_refresh_db/FTP_Server_BlockIP_Add/FTP_Server_BlockIP_Del of the file /cgi-bin/app_mgr.cgi. Such manipulation leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

• CWE-74
• CWE-77
• CWE-77

• https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_131/131.mdExploit, Third Party Advisory
• https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_132/132.mdExploit, Third Party Advisory
• https://vuldb.com/?ctiid.351117Permissions Required, VDB Entry
• https://vuldb.com/?id.351117Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.770410Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.770411Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.770412Third Party Advisory, VDB Entry
• https://www.dlink.com/Product

Published

Mar 16, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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