CVE-2026-4211

8.8 HIGH
Published: March 16, 2026 Modified: March 19, 2026
View on NVD

Description

A weakness has been identified 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. Affected by this issue is the function Local_Backup_Info of the file /cgi-bin/local_backup_mgr.cgi. This manipulation of the argument f_idx causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_160/160.md
Source: cna@vuldb.com
Exploit Third Party Advisory
https://vuldb.com/?ctiid.351122
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.351122
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.770441
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://www.dlink.com/
Source: cna@vuldb.com
Product

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.0%
13th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

dlink