CVE-2026-5214

HIGH

D-Link DNS-1550-04 account_mgr.cgi cgi_addgroup_get_group_quota_minsize stack-based overflow

Title source: cna

Description

A vulnerability was found 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. Impacted is the function cgi_addgroup_get_group_quota_minsize of the file /cgi-bin/account_mgr.cgi. The manipulation of the argument Name results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

References (5)

[Product] https://www.dlink.com/

[Vdb Entry, Technical Description] https://vuldb.com/vuln/354349

[Signature, Permissions Required] https://vuldb.com/vuln/354349/cti

[Third Party Advisory] https://vuldb.com/submit/780439

[Exploit] https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_169/169.md

View Exploit ZIP pw:eip

Scores

CVSS v3 8.8

EPSS 0.0004

EPSS Percentile 13.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-119 CWE-121 CWE-787

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