CVE-2026-5311 (GCVE-0-2026-5311)

Vulnerability from cvelistv5 – Published: 2026-04-01 19:45 – Updated: 2026-04-02 15:27
VLAI?
Title
D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control
Summary
A security flaw has been discovered 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. Affected is the function Webdav_Access_List of the file /cgi-bin/file_center.cgi. Performing a manipulation of the argument cmd results in improper access controls. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.
CWE
  • CWE-284 - Improper Access Controls
  • CWE-266 - Incorrect Privilege Assignment
Assigner
References
Impacted products
Vendor Product Version
D-Link DNS-120 Affected: 20260205
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    D-Link DNR-202L Affected: 20260205
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    D-Link DNS-315L Affected: 20260205
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    D-Link DNS-320 Affected: 20260205
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    D-Link DNS-320L Affected: 20260205
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    D-Link DNS-320LW Affected: 20260205
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    D-Link DNS-321 Affected: 20260205
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    D-Link DNR-322L Affected: 20260205
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    D-Link DNS-323 Affected: 20260205
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    D-Link DNS-325 Affected: 20260205
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    D-Link DNS-326 Affected: 20260205
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    D-Link DNS-327L Affected: 20260205
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    D-Link DNR-326 Affected: 20260205
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    D-Link DNS-340L Affected: 20260205
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    D-Link DNS-343 Affected: 20260205
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    D-Link DNS-345 Affected: 20260205
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    D-Link DNS-726-4 Affected: 20260205
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    D-Link DNS-1100-4 Affected: 20260205
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    D-Link DNS-1200-05 Affected: 20260205
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    D-Link DNS-1550-04 Affected: 20260205
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Credits
Ziyue Xie (VulDB User)
Show details on NVD website

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disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-04-01T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-04-01T14:18:48.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/354640\", \"name\": \"VDB-354640 | D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/vuln/354640/cti\", \"name\": \"VDB-354640 | CTI Indicators (IOB, IOC, TTP, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/submit/780441\", \"name\": \"Submit #780441 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Improper Access Controls\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md\", \"tags\": [\"exploit\"]}, {\"url\": \"https://www.dlink.com/\", \"tags\": [\"product\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A security flaw has been discovered 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. Affected is the function Webdav_Access_List of the file /cgi-bin/file_center.cgi. Performing a manipulation of the argument cmd results in improper access controls. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-284\", \"description\": \"Improper Access Controls\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-266\", \"description\": \"Incorrect Privilege Assignment\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-04-01T19:45:14.221Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-5311\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-02T15:27:57.427Z\", \"dateReserved\": \"2026-04-01T12:13:33.464Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-04-01T19:45:14.221Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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