CVE-2026-5215

MEDIUM

D-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access control

Title source: cna
STIX 2.1

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.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-354351 | D-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access control
https://vuldb.com/vuln/354351
Signature, Permissions Required signature permissions-required
VDB-354351 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/354351/cti
Third Party Advisory third-party-advisory
Submit #780440 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Improper Access Controls
https://vuldb.com/submit/780440
Product product
https://www.dlink.com/

Scores

CVSS v3 4.3
EPSS 0.0084
EPSS Percentile 53.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-266 CWE-284
Status published
Products (40)
D-Link/DNR-202L 20260205
D-Link/DNR-322L 20260205
D-Link/DNR-326 20260205
D-Link/DNS-1100-4 20260205
D-Link/DNS-120 20260205
D-Link/DNS-1200-05 20260205
D-Link/DNS-1550-04 20260205
D-Link/DNS-315L 20260205
D-Link/DNS-320 20260205
D-Link/DNS-320L 20260205
... and 30 more
Published Mar 31, 2026
Tracked Since Apr 01, 2026