What’s Vulnerable › Vulnerabilities
CVE-2026-5215: D-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access control
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2026-03-31 · updated 2026-06-17
- Weakness: CWE-266
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.
Affected products
- Dlink Dnr-202L Firmware: through 2026-02-05
- Dlink Dnr-326 Firmware: through 2026-02-05
- Dlink Dns-1100-4 Firmware: through 2026-02-05
- Dlink Dns-1200-05 Firmware: through 2026-02-05
- Dlink Dns-120 Firmware: through 2026-02-05
- Dlink Dns-1550-04 Firmware: through 2026-02-05
- Dlink Dns-315L Firmware: through 2026-02-05
- D-Link DNS-320: through 2026-02-05
- Dlink Dns-320L Firmware: through 2026-02-05
- Dlink Dns-320Lw Firmware: through 2026-02-05
- Dlink Dns-321 Firmware: through 2026-02-05
- Dlink Dns-322L Firmware: through 2026-02-05
- Dlink Dns-323 Firmware: through 2026-02-05
- Dlink Dns-325 Firmware: through 2026-02-05
- Dlink Dns-326 Firmware: through 2026-02-05
- Dlink Dns-327L Firmware: through 2026-02-05
- Dlink Dns-340L Firmware: through 2026-02-05
- D-Link DNS-343 ShareCenter: through 2026-02-05
- Dlink Dns-345 Firmware: through 2026-02-05
- Dlink Dns-726-4 Firmware: through 2026-02-05
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_170/170.md
- https://vuldb.com/submit/780440
- https://vuldb.com/vuln/354351
- https://vuldb.com/vuln/354351/cti
- https://www.dlink.com/
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