CVE-2026-6240 - Authenticated Stack-based Buffer Overflow in ONVIF DeleteUsers Service on TP-Link Tapo C520WS
CVE ID :CVE-2026-6240
Published : June 6, 2026, 12:16 a.m. | 2 hours, 47 minutes ago
Description :A stack-based buffer overflow vulnerability exists in Tapo C520WS v2 in the ONVIF DeleteUsers service, due to insufficient boundary checks when handling multiple user deletion parameters. An authenticated attacker can send a crafted malicious request containing an excessive number of identifiers to overflow stack memory. Successful exploitation may result in a service crash or deadlock, leading to DoS affecting device management and monitoring functionality.
Severity: 6.8 | MEDIUM
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Published : June 6, 2026, 12:16 a.m. | 2 hours, 47 minutes ago
Description :A stack-based buffer overflow vulnerability exists in Tapo C520WS v2 in the ONVIF DeleteUsers service, due to insufficient boundary checks when handling multiple user deletion parameters. An authenticated attacker can send a crafted malicious request containing an excessive number of identifiers to overflow stack memory. Successful exploitation may result in a service crash or deadlock, leading to DoS affecting device management and monitoring functionality.
Severity: 6.8 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...