MEDIUM · 6.3

CVE-2026-4210

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, DN...

Vulnerability 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.

CVSS Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
DlinkDnr-202L Firmware<= 2026-02-05
DlinkDnr-202L-
DlinkDnr-326 Firmware<= 2026-02-05
DlinkDnr-326-
DlinkDns-1100-4 Firmware<= 2026-02-05
DlinkDns-1100-4-
DlinkDns-120 Firmware<= 2026-02-05
DlinkDns-120-
DlinkDns-1200-05 Firmware<= 2026-02-05
DlinkDns-1200-05-
DlinkDns-1550-04 Firmware<= 2026-02-05
DlinkDns-1550-04-
DlinkDns-315L Firmware<= 2026-02-05
DlinkDns-315L-
DlinkDns-320 Firmware<= 2026-02-05
DlinkDns-320-
DlinkDns-320L Firmware<= 2026-02-05
DlinkDns-320L-
DlinkDns-320Lw Firmware<= 2026-02-05
DlinkDns-320Lw-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-4210?

CVE-2026-4210 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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, DN...

How severe is CVE-2026-4210?

CVE-2026-4210 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-4210?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dnr-202L Firmware, Dlink Dnr-202L, Dlink Dnr-326 Firmware, Dlink Dnr-326, Dlink Dns-1100-4 Firmware.