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CVE-2026-4204 (GCVE-0-2026-4204)

Vulnerability from cvelistv5 – Published: 2026-03-16 01:02 – Updated: 2026-03-16 14:40
VLAI
Title
D-Link DNS-1550-04 gui_mgr.cgi cgi_mycloud_auto_downlaod command injection
Summary
A flaw has been found 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_myfavorite_add/cgi_myfavorite_set/cgi_myfavorite_del/cgi_myfavorite_set_sort_info/cgi_myfavorite_remove_apkg/cgi_myfavorite_compare_apkg/cgi_mycloud_auto_downlaod of the file /cgi-bin/gui_mgr.cgi. This manipulation of the argument f_user causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-16 14:30 UTC
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.351116 vdb-entrytechnical-description
https://vuldb.com/?ctiid.351116 signaturepermissions-required
https://vuldb.com/?submit.770409 third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/D-Li… exploit
https://www.dlink.com/ product
Impacted products
Vendor Product Version CPE status
D-Link DNS-120 Affected: 20260205
guessed Create a notification for this product.
D-Link DNR-202L Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-315L Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-320 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-320L Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-320LW Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-321 Affected: 20260205
guessed Create a notification for this product.
D-Link DNR-322L Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-323 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-325 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-326 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-327L Affected: 20260205
guessed Create a notification for this product.
D-Link DNR-326 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-340L Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-343 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-345 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-726-4 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-1100-4 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-1200-05 Affected: 20260205
guessed Create a notification for this product.
D-Link DNS-1550-04 Affected: 20260205
guessed Create a notification for this product.
Credits
Bond (VulDB User)
Show details on NVD website
To clipboard 

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    "redhat_vex": {
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      "id": "CVE-2026-4204",
      "initial_release_date": "2026-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "D-Link DNS-1550-04 gui_mgr.cgi cgi_mycloud_auto_downlaod command injection",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4204.json",
      "version": "3"
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\"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 6.5, \"vectorString\": \"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR\"}}], \"affected\": [{\"vendor\": \"D-Link\", \"product\": \"DNS-120\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNR-202L\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-315L\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-320\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-320L\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-320LW\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-321\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNR-322L\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-323\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-325\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-326\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-327L\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNR-326\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-340L\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-343\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-345\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-726-4\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-1100-4\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-1200-05\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-1550-04\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-03-15T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-03-15T01:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-03-15T12:40:29.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/?id.351116\", \"name\": \"VDB-351116 | D-Link DNS-1550-04 gui_mgr.cgi cgi_mycloud_auto_downlaod command injection\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/?ctiid.351116\", \"name\": \"VDB-351116 | CTI Indicators (IOB, IOC, TTP, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/?submit.770409\", \"name\": \"Submit #770409 | 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 Command Injection\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_130/130.md\", \"tags\": [\"exploit\"]}, {\"url\": \"https://www.dlink.com/\", \"tags\": [\"product\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw has been found 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_myfavorite_add/cgi_myfavorite_set/cgi_myfavorite_del/cgi_myfavorite_set_sort_info/cgi_myfavorite_remove_apkg/cgi_myfavorite_compare_apkg/cgi_mycloud_auto_downlaod of the file /cgi-bin/gui_mgr.cgi. This manipulation of the argument f_user causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-77\", \"description\": \"Command Injection\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-74\", \"description\": \"Injection\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-03-16T01:02:15.336Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-4204\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-16T14:40:36.556Z\", \"dateReserved\": \"2026-03-15T11:35:22.425Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-03-16T01:02:15.336Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.