CVE-2026-5214
highpriority · track · 0EPSS 0.007 · 54 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (60)
Products and version ranges known to be affected.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (16)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2026-5214cnnvd
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_169/169.mdcnnvd
- https://vuldb.com/submit/780439cnnvd
- https://vuldb.com/vuln/354349cnnvd
- https://vuldb.com/vuln/354349/cticnnvd
- https://www.dlink.com/cnnvd
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_169/169.mdenisa_euvd
- https://vuldb.com/submit/780439enisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan