CVE-2026-5212
HIGHD-Link DNS-1550-04 webdav_mgr.cgi Webdav_Upload_File stack-based overflow
Title source: cnaDescription
A vulnerability 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 Webdav_Upload_File of the file /cgi-bin/webdav_mgr.cgi. The manipulation of the argument f_file leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
Scores
CVSS v3
8.8
EPSS
0.0010
EPSS Percentile
27.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-121
CWE-787
Status
published
Products (40)
D-Link/DNR-202L
20260205
D-Link/DNR-322L
20260205
D-Link/DNR-326
20260205
D-Link/DNS-1100-4
20260205
D-Link/DNS-120
20260205
D-Link/DNS-1200-05
20260205
D-Link/DNS-1550-04
20260205
D-Link/DNS-315L
20260205
D-Link/DNS-320
20260205
D-Link/DNS-320L
20260205
... and 30 more
Published
Mar 31, 2026
Tracked Since
Apr 01, 2026