CVE-2026-4203

Description

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.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

• 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/

CWEs

CWE-74 CWE-77