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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.2.4 Build 260326 Rel.24666n)"}}], "enrichment": {"confidence": 81.0, "confidence_source": "matching", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 81.0, "source": "matching"}]}, "original": {"product": "Tapo C520WS v2.6", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "tapo_c520ws_v2", "vendor": "tp-link"}], "analysis": {"en": {"generated_at": "2026-04-02T22:32:40.538742+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update released by TP\u2011Link for the Tapo C520WS device."], "summary": {"action": "Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "The vulnerability impacts TP\u2011Link Systems Inc.\u2019s Tapo C520WS camera running firmware 2.6. No other vendors or products are listed as affected.", "description_and_impact": "A heap\u2011based buffer overflow exists in the HTTP POST body parsing logic of the TP\u2011Link Tapo C520WS firmware version 2.6. When malicious data is POSTed, the device allocates a buffer but does not verify that the buffer is large enough for the incoming content. This omission allows an attacker to write beyond the end of the buffer, corrupting heap memory. Because the overflow can cause the camera\u2019s main process to crash or hang, the device becomes non\u2011responsive, resulting in a denial of service.", "risk_and_exploitability": "The flaw receives a CVSS score of 7.1, indicating high severity. No EPSS score is published, and the issue is not included in CISA\u2019s Known Exploited Vulnerabilities catalog, so exploitation likelihood is moderate. A local attacker on the same network segment can send crafted HTTP POST requests to trigger the overflow, causing the device to crash or become unresponsive."}}}}, "created": "2026-04-03T08:58:12.690480+00:00", "updated": "2026-04-03T09:18:05.289606+00:00", "vendors": ["tp-link", "tp-link$PRODUCT$tapo_c520ws_v2"]}