Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2026-5215

Severity CVSS v4.0:
MEDIUM
Type:
Unavailable / Other
Publication date:
31/03/2026
Last modified:
02/04/2026

Description

A vulnerability was 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. The impacted element is the function cgi_get_ipv6 of the file /cgi-bin/network_mgr.cgi. Such manipulation leads to improper access controls. The exploit is publicly available and might be used.

Impact

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

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

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): Low
Integrity (VI): None
Availability (VA): None
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:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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

Base Score 3.x
4.30
Severity 3.x
MEDIUM
Vector 2.0
AV:A/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.30 LOW
Vector: AV:A/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
3.30
Severity 2.0
LOW

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