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Findings

CVE-2026-5213

A vulnerability was determined 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, DN…

Published Mar 31, 2026 · updated Jul 24, 2026 · dlink dnr-202l firmware

A vulnerability was determined 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 affected element is the function cgi_adduser_to_session of the file /cgi-bin/account_mgr.cgi. This manipulation of the argument read_list causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 31, 2026 · NIST NVD

    Detected

    A vulnerability was determined 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 affected element is the function cgi_adduser_to_session of the file /cgi-bin/account_mgr.cgi. This manipulation of the argument read_lis

  2. Jul 24, 2026 · NIST NVD

    Updated

    A vulnerability was determined 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 affected element is the function cgi_adduser_to_session of the file /cgi-bin/account_mgr.cgi. This manipulation of the argument read_lis

Affected

  • cpe dlink/dnr-202l firmwareversion unspecified
  • cpe dlink/dnr-326 firmwareversion unspecified
  • cpe dlink/dns-1100-4 firmwareversion unspecified
  • cpe dlink/dns-120 firmwareversion unspecified
  • cpe dlink/dns-1200-05 firmwareversion unspecified
  • cpe dlink/dns-1550-04 firmwareversion unspecified
  • cpe dlink/dns-315l firmwareversion unspecified
  • cpe dlink/dns-320 firmwareversion unspecified
  • cpe dlink/dns-320l firmwareversion unspecified
  • cpe dlink/dns-320lw firmwareversion unspecified
  • cpe dlink/dns-321 firmwareversion unspecified
  • cpe dlink/dns-322l firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-5213

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-5213

    A vulnerability was determined 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 affected element

    nvd.nist.gov

References