CVE-2026-4214
criticalpriority · track · 39EPSS 0.008 · 57 %ileEURUUSEPSS · scored 2026-10-26
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.3–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (60)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_164/164.mdcnnvd
- https://vuldb.com/?ctiid.351125cnnvd
- https://vuldb.com/?id.351125cnnvd
- https://vuldb.com/?submit.770445cnnvd
- https://www.dlink.com/cnnvd
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_164/164.mdenisa_euvd
- https://vuldb.com/?ctiid.351125enisa_euvd
- https://vuldb.com/?id.351125enisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan