Vulnerability-Lookup

GHSA-FPM4-HQ62-CQF6

Vulnerability from github – Published: 2026-08-20 21:31 – Updated: 2026-08-20 21:31

Details

Successful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.

Severity

6.0 (Medium)


                  
                    CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-9033"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-306"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-20T19:17:04Z",
    "severity": "MODERATE"
  },
  "details": "An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access.\u00a0\n\n\n\nSuccessful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.",
  "id": "GHSA-fpm4-hq62-cqf6",
  "modified": "2026-08-20T21:31:29Z",
  "published": "2026-08-20T21:31:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9033"
    },
    {
      "type": "WEB",
      "url": "https://www.omadanetworks.com/en/support/download"
    },
    {
      "type": "WEB",
      "url": "https://www.omadanetworks.com/us/support/download"
    },
    {
      "type": "WEB",
      "url": "https://www.tp-link.com/us/support/faq/5256"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-9033 (GCVE-0-2026-9033)

Vulnerability from cvelistv5 – Published: 2026-08-20 18:31 – Updated: 2026-08-20 18:59

Title

Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways

Summary

An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access. Successful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.

Severity

6 (Medium)


                        
                          CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-20 18:59 UTC

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

TPLink mitre root

References

3 references

URL	Tags
https://www.omadanetworks.com/en/support/download/	patch
https://www.omadanetworks.com/us/support/download/	patch
https://www.tp-link.com/us/support/faq/5256/	vendor-advisory

Impacted products

19 products

Vendor	Product	Version
TP-Link Systems Inc.	ER7212PC v2	Affected: 0 , < 2.4.3 Build 20260722 Rel.40250 (custom)
TP-Link Systems Inc.	ER605 v2	Affected: 0 , < 2.4.4 Build 20260630 Rel.14398 (custom)
TP-Link Systems Inc.	ER7206 v2	Affected: 0 , < 2.3.5 Build 20260625 Rel.43136 (custom)
TP-Link Systems Inc	ER7406 v1	Affected: 0 , < 1.3.4 Build 20260625 Rel.43136 (custom)
TP-Link Systems Inc.	ER707-M2 v1	Affected: 0 , < 1.4.4 Build 20260625 Rel.43063 (custom)
TP-Link Systems Inc	ER7412-M2 v1	Affected: 0 , < 1.2.0 Build 20260630 Rel.82947 (custom)
TP-Link Systems Inc.	ER8411 v1	Affected: 0 , < 1.4.1 Build 20260708 Rel.64832 (custom)
TP-Link Systems Inc.	ER706W v1	Affected: 0 , < 1.2.11 Build 20260723 Rel.41567 (custom)
TP-Link Systems Inc.	ER706W-4G v1	Affected: 0 , < 1.2.6 Build 20260723 Rel.41321 (custom)
TP-Link Systems Inc.	ER706W-4G v2	Affected: 0 , < 2.1.11 Build 20260723 Rel.41624 (custom)
TP-Link Systems Inc.	ER706WP-4G v1	Affected: 0 , < 1.1.11 Build 20260723 Rel.41624 (custom)
TP-Link Systems Inc.	ER703WP-4G-Outdoor v1	Affected: 0 , < 1.1.7 Build 20260723 Rel.41712 (custom)
TP-Link Systems Inc.	DR3220v-4G v1	Affected: 0 , < 1.2.0 Build 20260630 Rel.82652 (custom)
TP-Link Systems Inc.	DR3650v v1	Affected: 0 , < 1.2.0 Build 20260630 Rel.83311 (custom)
TP-Link Systems Inc.	DR3650v-4G v1	Affected: 0 , < 1.2.0 Build 20260630 Rel.83347 (custom)
TP-Link Systems Inc.	ER603WP-4G-Outdoor v1	Affected: 0 , < 1.0.2 Build 20260723 Rel.43271 (custom)
TP-Link Systems Inc.	DR3150 v1	Affected: 0 , < 1.0.1 Build 20260722 Rel.16854 (custom)
TP-Link Systems Inc.	ER701-5G-Outdoor v1	Affected: 0 , < 1.0.3 Build 20260723 Rel.40931 (custom)
TP-Link Systems Inc.	ER605W v2	Affected: 0 , < 2.0.4 Build 20260723 Rel.43763 (custom)

Credits

Yoontae Lee (@yunttai)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9033",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-20T18:59:29.032581Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-20T18:59:36.657Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ER7212PC v2",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "2.4.3 Build 20260722 Rel.40250",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER605 v2",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "2.4.4 Build 20260630 Rel.14398",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER7206 v2",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "2.3.5 Build 20260625 Rel.43136",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER7406 v1",
          "vendor": "TP-Link Systems Inc",
          "versions": [
            {
              "lessThan": "1.3.4 Build 20260625 Rel.43136",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER707-M2 v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.4.4 Build 20260625 Rel.43063",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER7412-M2 v1",
          "vendor": "TP-Link Systems Inc",
          "versions": [
            {
              "lessThan": "1.2.0 Build 20260630 Rel.82947",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER8411 v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.4.1 Build 20260708 Rel.64832",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER706W v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.2.11 Build 20260723 Rel.41567",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER706W-4G v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.2.6 Build 20260723 Rel.41321",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER706W-4G v2",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "2.1.11 Build 20260723 Rel.41624",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER706WP-4G v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.1.11 Build 20260723 Rel.41624",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER703WP-4G-Outdoor v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.1.7 Build 20260723 Rel.41712",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "DR3220v-4G v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.2.0 Build 20260630 Rel.82652",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "DR3650v v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.2.0 Build 20260630 Rel.83311",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "DR3650v-4G v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.2.0 Build 20260630 Rel.83347",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER603WP-4G-Outdoor v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.0.2 Build 20260723 Rel.43271",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "DR3150 v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.0.1 Build 20260722 Rel.16854",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER701-5G-Outdoor v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.0.3 Build 20260723 Rel.40931",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "ER605W v2",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "2.0.4 Build 20260723 Rel.43763",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Yoontae Lee (@yunttai)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eAn unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access.\u0026nbsp;\u003c/p\u003e\u003cp\u003eSuccessful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.\u003c/p\u003e"
            }
          ],
          "value": "An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access.\u00a0\n\n\n\nSuccessful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "ADJACENT",
            "baseScore": 6,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "CWE-306 Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-20T18:31:54.806Z",
        "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "shortName": "TPLink"
      },
      "references": [
        {
          "name": "Omada Gateway Firmware Downloads (EN)",
          "tags": [
            "patch"
          ],
          "url": "https://www.omadanetworks.com/en/support/download/"
        },
        {
          "name": "Omada Gateway Firmware Downloads (US)",
          "tags": [
            "patch"
          ],
          "url": "https://www.omadanetworks.com/us/support/download/"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.tp-link.com/us/support/faq/5256/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways",
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
    "assignerShortName": "TPLink",
    "cveId": "CVE-2026-9033",
    "datePublished": "2026-08-20T18:31:54.806Z",
    "dateReserved": "2026-05-19T16:30:37.346Z",
    "dateUpdated": "2026-08-20T18:59:36.657Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-FPM4-HQ62-CQF6

CVE-2026-9033 (GCVE-0-2026-9033)

Tags

Sightings

Nomenclature