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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
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.

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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/