Successful exploitation may result in a service crash or deadlock, leading to DoS affecting device management and monitoring functionality.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Mon, 08 Jun 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Sun, 07 Jun 2026 11:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Tp-link
Tp-link tapo C520ws V2 |
|
| Vendors & Products |
Tp-link
Tp-link tapo C520ws V2 |
Sat, 06 Jun 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Authenticated Stack-based Buffer Overflow in ONVIF DeleteUsers Service on TP-Link Tapo C520WS | |
| Weaknesses | CWE-121 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: TPLink
Published:
Updated: 2026-06-08T13:08:05.175Z
Reserved: 2026-04-13T17:10:23.938Z
Link: CVE-2026-6240
Updated: 2026-06-08T13:08:00.721Z
Status : Deferred
Published: 2026-06-06T00:16:41.103
Modified: 2026-06-08T15:01:06.580
Link: CVE-2026-6240
No data.
OpenCVE Enrichment
Updated: 2026-06-07T11:00:11Z