CVE-2026-4205

MEDIUM

6.3

Description

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. The impacted element is the function cgi_refresh_db/FTP_Server_BlockIP_Add/FTP_Server_BlockIP_Del of the file /cgi-bin/app_mgr.cgi. Such manipulation leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/16/2026

Last Modified3/19/2026

Sourcenvd

Honeypot Sightings0

Affected Products

dlink:dnr-202ldlink:dnr-202l_firmwaredlink:dnr-326dlink:dnr-326_firmwaredlink:dns-1100-4dlink:dns-1100-4_firmwaredlink:dns-120dlink:dns-1200-05dlink:dns-1200-05_firmwaredlink:dns-120_firmwaredlink:dns-1550-04dlink:dns-1550-04_firmwaredlink:dns-315ldlink:dns-315l_firmwaredlink:dns-320dlink:dns-320_firmwaredlink:dns-320ldlink:dns-320l_firmwaredlink:dns-320lwdlink:dns-320lw_firmwaredlink:dns-321dlink:dns-321_firmwaredlink:dns-322ldlink:dns-322l_firmwaredlink:dns-323dlink:dns-323_firmwaredlink:dns-325dlink:dns-325_firmwaredlink:dns-326dlink:dns-326_firmwaredlink:dns-327ldlink:dns-327l_firmwaredlink:dns-340ldlink:dns-340l_firmwaredlink:dns-343dlink:dns-343_firmwaredlink:dns-345dlink:dns-345_firmwaredlink:dns-726-4dlink:dns-726-4_firmware

Weaknesses (CWE)

CWE-74CWE-77CWE-77

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_131/131.md(cna@vuldb.com)

https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_132/132.md(cna@vuldb.com)

https://vuldb.com/?ctiid.351117(cna@vuldb.com)

https://vuldb.com/?id.351117(cna@vuldb.com)

https://vuldb.com/?submit.770410(cna@vuldb.com)

https://vuldb.com/?submit.770411(cna@vuldb.com)

https://vuldb.com/?submit.770412(cna@vuldb.com)

https://www.dlink.com/(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.