CVE-2026-4210

Medium

Description

A security flaw has been discovered 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 vulnerability is the function cgi_tm_set_share of the file /cgi-bin/time_machine.cgi. The manipulation of the argument Name results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

SeverityMedium
CVSS6.3
Exploit probability—
ProductDlink Dnr-202l Firmware
PublishedMar 16, 2026
First seenMar 16, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
dlink dnr-202l_firmwarev ≤ 2026-02-05—
dlink dnr-326_firmwarev ≤ 2026-02-05—
dlink dns-1100-4_firmwarev ≤ 2026-02-05—
dlink dns-120_firmwarev ≤ 2026-02-05—
dlink dns-1200-05_firmwarev ≤ 2026-02-05—
dlink dns-1550-04_firmwarev ≤ 2026-02-05—
dlink dns-315l_firmwarev ≤ 2026-02-05—
dlink dns-320_firmwarev ≤ 2026-02-05—
dlink dns-320l_firmwarev ≤ 2026-02-05—
dlink dns-320lw_firmwarev ≤ 2026-02-05—
dlink dns-321_firmwarev ≤ 2026-02-05—
dlink dns-322l_firmwarev ≤ 2026-02-05—
dlink dns-323_firmwarev ≤ 2026-02-05—
dlink dns-325_firmwarev ≤ 2026-02-05—
dlink dns-326_firmwarev ≤ 2026-02-05—
dlink dns-327l_firmwarev ≤ 2026-02-05—
dlink dns-340l_firmwarev ≤ 2026-02-05—
dlink dns-343_firmwarev ≤ 2026-02-05—
dlink dns-345_firmwarev ≤ 2026-02-05—
dlink dns-726-4_firmwarev ≤ 2026-02-05—

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