← back
CVE-2026-5215

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

CVSS 5.3 MEDIUMEPSS 0.8%CWE-266CWE-284
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 5.3EPSS 0.8%KEV nãoPoC públicaPatch —
Lifecycle
31 Mar 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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.
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
Affected products
D-Link · DNR-202LD-Link · DNR-322LD-Link · DNR-326D-Link · DNS-1100-4D-Link · DNS-120D-Link · DNS-1200-05D-Link · DNS-1550-04D-Link · DNS-315LD-Link · DNS-320D-Link · DNS-320LD-Link · DNS-320LWD-Link · DNS-321D-Link · DNS-323D-Link · DNS-325D-Link · DNS-326D-Link · DNS-327LD-Link · DNS-340LD-Link · DNS-343D-Link · DNS-345D-Link · DNS-726-4
public PoCs found — 1
cve_referencegithub.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_170/170.mdunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →
References
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_170/170.mdhttps://vuldb.com/submit/780440https://vuldb.com/vuln/354351https://vuldb.com/vuln/354351/ctihttps://www.dlink.com/