High severity8.8NVD Advisory· Published Mar 16, 2026· Updated Jun 17, 2026
CVE-2026-4214
CVE-2026-4214
Description
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. This issue affects the function UPnP_AV_Server_Path_Setting of the file /cgi-bin/app_mgr.cgi. Executing a manipulation can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
43cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:*range: <=2026-02-05
- (no CPE)range: 20260205
cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:*range: <=2026-02-05
- cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:*range: <=2026-02-05
- (no CPE)range: 20260205
cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:*range: <=2026-02-05
- cpe:2.3:o:dlink:dns-320l_firmware:*:*:*:*:*:*:*:*range: <=2026-02-05
- cpe:2.3:o:dlink:dns-325_firmware:*:*:*:*:*:*:*:*range: <=2026-02-05
cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:*range: <=2026-02-05
- cpe:2.3:o:dlink:dns-327l_firmware:*:*:*:*:*:*:*:*range: <=2026-02-05
- Range: 20260205
- D-Link/DNS-726-4v5Range: 20260205
Patches
Vulnerability mechanics
References
5- github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_164/164.mdnvdExploitThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
- www.dlink.comnvdProduct
News mentions
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