CVE-2026-5215
Medium
Description
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductDlink Dnr-202l Firmware
PublishedMar 31, 2026
First seenMar 31, 2026
Weakness typeCWE-284Improper access controlCWE-266CWE-266
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dlink dnr-202l_firmware | v ≤ 2026-02-05 | — |
| dlink dnr-326_firmware | v ≤ 2026-02-05 | — |
| dlink dns-1100-4_firmware | v ≤ 2026-02-05 | — |
| dlink dns-120_firmware | v ≤ 2026-02-05 | — |
| dlink dns-1200-05_firmware | v ≤ 2026-02-05 | — |
| dlink dns-1550-04_firmware | v ≤ 2026-02-05 | — |
| dlink dns-315l_firmware | v ≤ 2026-02-05 | — |
| dlink dns-320_firmware | v ≤ 2026-02-05 | — |
| dlink dns-320l_firmware | v ≤ 2026-02-05 | — |
| dlink dns-320lw_firmware | v ≤ 2026-02-05 | — |
| dlink dns-321_firmware | v ≤ 2026-02-05 | — |
| dlink dns-322l_firmware | v ≤ 2026-02-05 | — |
| dlink dns-323_firmware | v ≤ 2026-02-05 | — |
| dlink dns-325_firmware | v ≤ 2026-02-05 | — |
| dlink dns-326_firmware | v ≤ 2026-02-05 | — |
| dlink dns-327l_firmware | v ≤ 2026-02-05 | — |
| dlink dns-340l_firmware | v ≤ 2026-02-05 | — |
| dlink dns-343_firmware | v ≤ 2026-02-05 | — |
| dlink dns-345_firmware | v ≤ 2026-02-05 | — |
| dlink dns-726-4_firmware | v ≤ 2026-02-05 | — |
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