A security vulnerability has been 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. This affects the function Downloads_Schedule_Info of the file /cgi-bin/download_mgr.cgi. Such manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 19 Mar 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Dlink
Dlink dnr-202l
Dlink dnr-202l Firmware
Dlink dnr-326
Dlink dnr-326 Firmware
Dlink dns-1100-4
Dlink dns-1100-4 Firmware
Dlink dns-120
Dlink dns-1200-05
Dlink dns-1200-05 Firmware
Dlink dns-120 Firmware
Dlink dns-1550-04
Dlink dns-1550-04 Firmware
Dlink dns-315l
Dlink dns-315l Firmware
Dlink dns-320
Dlink dns-320 Firmware
Dlink dns-320l
Dlink dns-320l Firmware
Dlink dns-320lw
Dlink dns-320lw Firmware
Dlink dns-321
Dlink dns-321 Firmware
Dlink dns-322l
Dlink dns-322l Firmware
Dlink dns-323
Dlink dns-323 Firmware
Dlink dns-325
Dlink dns-325 Firmware
Dlink dns-326
Dlink dns-326 Firmware
Dlink dns-327l
Dlink dns-327l Firmware
Dlink dns-340l
Dlink dns-340l Firmware
Dlink dns-343
Dlink dns-343 Firmware
Dlink dns-345
Dlink dns-345 Firmware
Dlink dns-726-4
Dlink dns-726-4 Firmware
Weaknesses CWE-787
CPEs cpe:2.3:h:dlink:dnr-202l:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dnr-326:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1100-4:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1200-05:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-120:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1550-04:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-315l:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320l:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320lw:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-321:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-322l:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-323:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-325:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-326:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-327l:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-340l:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-343:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-345:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-726-4:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-1550-04_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-320l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-320lw_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-321_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-322l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-325_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-327l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-340l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-343_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-345_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-726-4_firmware:*:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink dnr-202l
Dlink dnr-202l Firmware
Dlink dnr-326
Dlink dnr-326 Firmware
Dlink dns-1100-4
Dlink dns-1100-4 Firmware
Dlink dns-120
Dlink dns-1200-05
Dlink dns-1200-05 Firmware
Dlink dns-120 Firmware
Dlink dns-1550-04
Dlink dns-1550-04 Firmware
Dlink dns-315l
Dlink dns-315l Firmware
Dlink dns-320
Dlink dns-320 Firmware
Dlink dns-320l
Dlink dns-320l Firmware
Dlink dns-320lw
Dlink dns-320lw Firmware
Dlink dns-321
Dlink dns-321 Firmware
Dlink dns-322l
Dlink dns-322l Firmware
Dlink dns-323
Dlink dns-323 Firmware
Dlink dns-325
Dlink dns-325 Firmware
Dlink dns-326
Dlink dns-326 Firmware
Dlink dns-327l
Dlink dns-327l Firmware
Dlink dns-340l
Dlink dns-340l Firmware
Dlink dns-343
Dlink dns-343 Firmware
Dlink dns-345
Dlink dns-345 Firmware
Dlink dns-726-4
Dlink dns-726-4 Firmware

Mon, 16 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 16 Mar 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared D-link
D-link dnr-202l
D-link dnr-322l
D-link dnr-326
D-link dns-1100-4
D-link dns-120
D-link dns-1200-05
D-link dns-1550-04
D-link dns-315l
D-link dns-320
D-link dns-320l
D-link dns-320lw
D-link dns-321
D-link dns-323
D-link dns-325
D-link dns-326
D-link dns-327l
D-link dns-340l
D-link dns-343
D-link dns-345
D-link dns-726-4
Vendors & Products D-link
D-link dnr-202l
D-link dnr-322l
D-link dnr-326
D-link dns-1100-4
D-link dns-120
D-link dns-1200-05
D-link dns-1550-04
D-link dns-315l
D-link dns-320
D-link dns-320l
D-link dns-320lw
D-link dns-321
D-link dns-323
D-link dns-325
D-link dns-326
D-link dns-327l
D-link dns-340l
D-link dns-343
D-link dns-345
D-link dns-726-4

Mon, 16 Mar 2026 03:45:00 +0000

Type Values Removed Values Added
Description A security vulnerability has been 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. This affects the function Downloads_Schedule_Info of the file /cgi-bin/download_mgr.cgi. Such manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.
Title D-Link DNS-1550-04 download_mgr.cgi Downloads_Schedule_Info stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-03-16T15:30:26.181Z

Reserved: 2026-03-15T12:02:46.389Z

Link: CVE-2026-4212

cve-icon Vulnrichment

Updated: 2026-03-16T15:30:22.438Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-16T14:20:07.663

Modified: 2026-03-19T14:29:12.933

Link: CVE-2026-4212

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-16T09:58:34Z

Weaknesses