Vulnerability Intelligence Report
D-Link DNS-1550-04 account_mgr.cgi cgi_addgroup_get_group_quota_minsize stack-based overflow
CVE-2026-5214
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.
No Active Exploit Signals
CVSS Base Score
8.7
HIGH
EPSS Probability:0.71%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| D-Link | DNS-120 | 20260205 (affected) |
| D-Link | DNR-202L | 20260205 (affected) |
| D-Link | DNS-315L | 20260205 (affected) |
| D-Link | DNS-320 | 20260205 (affected) |
| D-Link | DNS-320L | 20260205 (affected) |
| D-Link | DNS-320LW | 20260205 (affected) |
| D-Link | DNS-321 | 20260205 (affected) |
| D-Link | DNR-322L | 20260205 (affected) |
| D-Link | DNS-323 | 20260205 (affected) |
| D-Link | DNS-325 | 20260205 (affected) |
| D-Link | DNS-326 | 20260205 (affected) |
| D-Link | DNS-327L | 20260205 (affected) |
| D-Link | DNR-326 | 20260205 (affected) |
| D-Link | DNS-340L | 20260205 (affected) |
| D-Link | DNS-343 | 20260205 (affected) |
| D-Link | DNS-345 | 20260205 (affected) |
| D-Link | DNS-726-4 | 20260205 (affected) |
| D-Link | DNS-1100-4 | 20260205 (affected) |
| D-Link | DNS-1200-05 | 20260205 (affected) |
| D-Link | DNS-1550-04 | 20260205 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.715%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulDB · Researcher · Switzerland |
| Reserved | 2026-03-31T10:29:38 |
| Published | 2026-03-31T21:15:14 |
| Last Updated | 2026-04-01T15:53:13 |
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