CVE-2026-4204

Summary

A flaw 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 affected element is the function cgi_myfavorite_add/cgi_myfavorite_set/cgi_myfavorite_del/cgi_myfavorite_set_sort_info/cgi_myfavorite_remove_apkg/cgi_myfavorite_compare_apkg/cgi_mycloud_auto_downlaod of the file /cgi-bin/gui_mgr.cgi. This manipulation of the argument f_user causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Affected Software

VendorProductVersion RangeStatus
D-LinkDNS-12020260205affected
D-LinkDNR-202L20260205affected
D-LinkDNS-315L20260205affected
D-LinkDNS-32020260205affected
D-LinkDNS-320L20260205affected
D-LinkDNS-320LW20260205affected
D-LinkDNS-32120260205affected
D-LinkDNR-322L20260205affected
D-LinkDNS-32320260205affected
D-LinkDNS-32520260205affected
D-LinkDNS-32620260205affected
D-LinkDNS-327L20260205affected
D-LinkDNR-32620260205affected
D-LinkDNS-340L20260205affected
D-LinkDNS-34320260205affected
D-LinkDNS-34520260205affected
D-LinkDNS-726-420260205affected
D-LinkDNS-1100-420260205affected
D-LinkDNS-1200-0520260205affected
D-LinkDNS-1550-0420260205affected

Weaknesses

  • CWE-77: Command Injection
  • CWE-74: Injection

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: total

References