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FKIE_CVE-2026-8619

Vulnerability from fkie_nvd - Published: 2026-08-20 00:16 - Updated: 2026-09-03 15:04
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An unauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions that may lead to a NULL pointer dereference.  A remote attacker on an adjacent network can send a specially crated HTTP request to trigger a crash of the HTTP service process. Successful exploitation may cause the HTTP service to crash, making the web management interface and HTTP-dependent functionality temporarily unavailable.
References
f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/en/support/download/archer-mr600/v2/#FirmwareProduct
f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/en/support/download/tl-mr100/v3.20/#FirmwareProduct
f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/en/support/download/tl-mr150/v3.20/#FirmwareProduct
f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/en/support/download/tl-mr6400/v8/#FirmwareProduct
f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/us/support/faq/5253/Vendor Advisory
Impacted products
Vendor Product Version
tp-link tl-mr100_firmware *
tp-link tl-mr100 3.2
tp-link archer_mr600_firmware *
tp-link archer_mr600 2.0
tp-link tl-mr150_firmware *
tp-link tl-mr150 3.2
tp-link tl-mr6400_firmware *
tp-link tl-mr6400 8.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Linux"
          ],
          "product": "TL-MR100 v3.2",
          "vendor": "TP-Link Systems Inc.",
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            {
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              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Linux"
          ],
          "product": "TL-MR150 v.3.2",
          "vendor": "TP-Link Systems Inc.",
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            {
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              "status": "affected",
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            }
          ]
        },
        {
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          ],
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              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
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          "platforms": [
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          ],
          "product": "Archer MR600 v2",
          "vendor": "TP-Link Systems Inc",
          "versions": [
            {
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              "status": "affected",
              "version": "0",
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            }
          ]
        }
      ],
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    }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An\nunauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions\nthat may lead to a NULL pointer dereference.\u00a0\nA remote attacker on an adjacent network can send a specially crated\nHTTP request to trigger a crash of the HTTP service process.\n\n\n\n\n\nSuccessful\nexploitation may cause the HTTP service to crash, making the web management\ninterface and HTTP-dependent functionality temporarily unavailable."
    }
  ],
  "id": "CVE-2026-8619",
  "lastModified": "2026-09-03T15:04:30.077",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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    "cvssMetricV40": [
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          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "ADJACENT",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "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:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "type": "Secondary"
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    "ssvcV203": [
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        "ssvcData": {
          "id": "CVE-2026-8619",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          "role": "CISA Coordinator",
          "timestamp": "2026-08-20T16:03:32.689670Z",
          "version": "2.0.3"
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  "published": "2026-08-20T00:16:53.157",
  "references": [
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  "vulnStatus": "Analyzed",
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        }
      ],
      "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
      "type": "Secondary"
    }
  ]
}



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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.