CVE-2026-4214

EUVD-2026-12329
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Affected Products (NVD)
VendorProductVersion
dlinkdnr-202l_firmware
𝑥
≤ 2026-02-05
dlinkdnr-326_firmware
𝑥
≤ 2026-02-05
dlinkdns-1100-4_firmware
𝑥
≤ 2026-02-05
dlinkdns-120_firmware
𝑥
≤ 2026-02-05
dlinkdns-1200-05_firmware
𝑥
≤ 2026-02-05
dlinkdns-1550-04_firmware
𝑥
≤ 2026-02-05
dlinkdns-315l_firmware
𝑥
≤ 2026-02-05
dlinkdns-320_firmware
𝑥
≤ 2026-02-05
dlinkdns-320l_firmware
𝑥
≤ 2026-02-05
dlinkdns-320lw_firmware
𝑥
≤ 2026-02-05
dlinkdns-321_firmware
𝑥
≤ 2026-02-05
dlinkdns-322l_firmware
𝑥
≤ 2026-02-05
dlinkdns-323_firmware
𝑥
≤ 2026-02-05
dlinkdns-325_firmware
𝑥
≤ 2026-02-05
dlinkdns-326_firmware
𝑥
≤ 2026-02-05
dlinkdns-327l_firmware
𝑥
≤ 2026-02-05
dlinkdns-340l_firmware
𝑥
≤ 2026-02-05
dlinkdns-343_firmware
𝑥
≤ 2026-02-05
dlinkdns-345_firmware
𝑥
≤ 2026-02-05
dlinkdns-726-4_firmware
𝑥
≤ 2026-02-05
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_164/164.md
https://vuldb.com/?ctiid.351125
https://vuldb.com/?id.351125
https://vuldb.com/?submit.770445
https://www.dlink.com/