Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-4210

Severity CVSS v4.0:
MEDIUM
Type:
CWE-74 Injection
Publication date:
16/03/2026
Last modified:
19/03/2026

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.

Impact

Vector 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS v4.0 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): Low
Integrity (VI): Low
Availability (VA): Low
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None
Exploit Maturity (E): POC

Base Score 4.0
5.30
Severity 4.0
MEDIUM
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 6.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): Low

Base Score 3.x
6.30
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.50
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:* 2026-02-05 (including)
cpe:2.3:h:dlink:dnr-202l:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:* 2026-02-05 (including)
cpe:2.3:h:dlink:dnr-326:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:* 2026-02-05 (including)
cpe:2.3:h:dlink:dns-1100-4:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:* 2026-02-05 (including)
cpe:2.3:h:dlink:dns-120:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:* 2026-02-05 (including)
cpe:2.3:h:dlink:dns-1200-05:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-1550-04_firmware:*:*:*:*:*:*:*:* 2026-02-05 (including)
cpe:2.3:h:dlink:dns-1550-04:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:* 2026-02-05 (including)
cpe:2.3:h:dlink:dns-315l:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-320_firmware:*:*:*:*:*:*:*:* 2026-02-05 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools