CVE-2026-4211 – D-Link DNS-1550-04 local_backup_mgr.cgi Local_Backup_Info stack-based overflow

CVE ID :CVE-2026-4211

Published : March 16, 2026, 3:32 a.m. | 37 minutes ago

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.

Severity: 0.0 | NA

Visit the link for more details, such as CVSS details, affected products, timeline, and more…