Vulnerability-Lookup

GHSA-MCFX-6PWV-Q5V8

Vulnerability from github – Published: 2026-01-29 21:30 – Updated: 2026-01-29 21:30

Details

Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls.

Severity ?

6.3 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-15542"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-754"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-29T19:16:11Z",
    "severity": "MODERATE"
  },
  "details": "Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls.",
  "id": "GHSA-mcfx-6pwv-q5v8",
  "modified": "2026-01-29T21:30:30Z",
  "published": "2026-01-29T21:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15542"
    },
    {
      "type": "WEB",
      "url": "https://www.tp-link.com/de/support/download/vx800v/#Firmware"
    },
    {
      "type": "WEB",
      "url": "https://www.tp-link.com/us/support/faq/4930"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/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-2025-15542 (GCVE-0-2025-15542)

Vulnerability from cvelistv5 – Published: 2026-01-29 18:06 – Updated: 2026-01-29 18:47

Title

Denial of Service (DoS) of VoIP Communication on TP-Link VX800v

Summary

Severity ?

6.3 (Medium)


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

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

TPLink

References

URL

Tags

	https://www.tp-link.com/de/support/download/vx800…	patch
	https://www.tp-link.com/us/support/faq/4930/	vendor-advisory

Impacted products

	Vendor	Product	Version
	TP-Link Systems Inc.	VX800v v1.0	Affected: 0 , < 800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912) (custom)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-15542",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-29T18:47:46.767040Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-29T18:47:56.331Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "web"
          ],
          "platforms": [
            "Linux"
          ],
          "product": "VX800v v1.0",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912)",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls."
            }
          ],
          "value": "Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-131",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-131 Resource Leak Exposure"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 6.3,
            "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:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-754",
              "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-29T18:06:21.474Z",
        "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "shortName": "TPLink"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/de/support/download/vx800v/#Firmware"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.tp-link.com/us/support/faq/4930/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Denial of Service (DoS) of VoIP Communication on TP-Link VX800v",
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
    "assignerShortName": "TPLink",
    "cveId": "CVE-2025-15542",
    "datePublished": "2026-01-29T18:06:21.474Z",
    "dateReserved": "2026-01-20T21:50:44.270Z",
    "dateUpdated": "2026-01-29T18:47:56.331Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-MCFX-6PWV-Q5V8

CVE-2025-15542 (GCVE-0-2025-15542)

Tags

Sightings

Nomenclature