CVE-2026-8714 - Vulnerability Details - OpenCVE

A denial-of-service vulnerability exists in the RTSP server component of TP-Link Tapo C520WS v2 due to improper handling of syntactically invalid input. Crafted inputs can trigger a processing error, causing the RTSP service to enter non-responsive state. Successful exploitation may cause the RTSP in a denial-of-service condition.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

References

Link	Providers
https://www.tp-link.com/en/support/download/tapo-c520ws/v2/#Firmware-Release-Notes
https://www.tp-link.com/us/support/download/tapo-c520ws/v2/#Firmware-Release-Notes
https://www.tp-link.com/us/support/faq/5118/

History

Fri, 05 Jun 2026 16:45:00 +0000

Type	Values Removed	Values Added
Description		A denial-of-service vulnerability exists in the RTSP server component of TP-Link Tapo C520WS v2 due to improper handling of syntactically invalid input. Crafted inputs can trigger a processing error, causing the RTSP service to enter non-responsive state. Successful exploitation may cause the RTSP in a denial-of-service condition.
Title		Denial-of-Service Vulnerability in RTSP Input Handling on TP-Link's Tapo C520WS
Weaknesses		CWE-20
References		https://www.tp-link.com/en/support/download/tapo-c520ws/v2/#Firmware-Release-Notes https://www.tp-link.com/us/support/download/tapo-c520ws/v2/#Firmware-Release-Notes https://www.tp-link.com/us/support/faq/5118/
Metrics		cvssV4_0 `{'score': 7.1, 'vector': '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'}`

MITRE

Status: PUBLISHED

Assigner: TPLink

Published: 2026-06-05T16:14:28.703Z

Updated: 2026-06-05T16:14:28.703Z

Reserved: 2026-05-15T20:50:58.600Z

Link: CVE-2026-8714

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-06-05T17:17:04.097

Modified: 2026-06-05T17:17:04.097

Link: CVE-2026-8714

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8714", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-05-15T20:50:58.600Z", "datePublished": "2026-06-05T16:14:28.703Z", "dateUpdated": "2026-06-05T16:14:28.703Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-06-05T16:14:28.703Z"}, "title": "Denial-of-Service Vulnerability in RTSP Input Handling on TP-Link's Tapo C520WS", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20 Improper input validation", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-153", "descriptions": [{"lang": "en", "value": "CAPEC-153 Input Data Manipulation"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "Tapo C520WS v2", "modules": ["parent control"], "versions": [{"status": "affected", "version": "0", "lessThan": "1.2.6 Build 260528 Rel.60422n", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A denial-of-service\nvulnerability exists in the RTSP server component of TP-Link Tapo C520WS v2 due to improper handling of\nsyntactically invalid input.\u00a0 Crafted inputs\ncan trigger a processing error, causing the RTSP service to enter non-responsive\nstate.\n\n\n\n\n\nSuccessful\nexploitation may cause the RTSP in a denial-of-service condition.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>A denial-of-service\nvulnerability exists in the RTSP server component of TP-Link Tapo C520WS v2 due to improper handling of\nsyntactically invalid input.  Crafted inputs\ncan trigger a processing error, causing the RTSP service to enter non-responsive\nstate.</p>\n\n<p>Successful\nexploitation may cause the RTSP in a denial-of-service condition.</p>"}]}], "references": [{"url": "https://www.tp-link.com/us/support/download/tapo-c520ws/v2/#Firmware-Release-Notes", "tags": ["patch"]}, {"url": "https://www.tp-link.com/en/support/download/tapo-c520ws/v2/#Firmware-Release-Notes", "tags": ["patch"]}, {"url": "https://www.tp-link.com/us/support/faq/5118/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.1, "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"}}], "credits": [{"lang": "en", "value": "Eirik Alvheim", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A denial-of-service\nvulnerability exists in the RTSP server component of TP-Link Tapo C520WS v2 due to improper handling of\nsyntactically invalid input.\u00a0 Crafted inputs\ncan trigger a processing error, causing the RTSP service to enter non-responsive\nstate.\n\n\n\n\n\nSuccessful\nexploitation may cause the RTSP in a denial-of-service condition."}], "id": "CVE-2026-8714", "lastModified": "2026-06-05T17:17:04.097", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "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"}]}, "published": "2026-06-05T17:17:04.097", "references": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/en/support/download/tapo-c520ws/v2/#Firmware-Release-Notes"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/us/support/download/tapo-c520ws/v2/#Firmware-Release-Notes"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/us/support/faq/5118/"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}]}