TP-Link Tapo C520WS v2 RTSP Server denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k2.53

Summaryinfo

A vulnerability was found in TP-Link Tapo C520WS v2. It has been declared as problematic. This affects an unknown function of the component RTSP Server. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2026-8714. The attack must be carried out from within the local network. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in TP-Link Tapo C520WS v2 (version now known). Affected by this issue is some unknown processing of the component RTSP Server. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

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.

The weakness was presented by Eirik Alvheim. The advisory is shared for download at tp-link.com. This vulnerability is handled as CVE-2026-8714 since 05/15/2026. The exploitation is known to be easy. Access to the local network is required for this attack to succeed. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-34855). Once again VulDB remains the best source for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/15/2026 CVE reserved
06/05/2026 +21 days Advisory disclosed
06/05/2026 +0 days VulDB entry created
06/05/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: tp-link.com

Advisory: tp-link.com
Researcher: Eirik Alvheim
Status: Confirmed

CVE: CVE-2026-8714 (🔒)
GCVE (CVE): GCVE-0-2026-8714
GCVE (VulDB): GCVE-100-368948
EUVD: 🔒

Entryinfo

Created: 06/05/2026 18:53
Updated: 06/05/2026 20:57
Changes: 06/05/2026 18:53 (65), 06/05/2026 20:57 (1)
Complete: 🔍
Cache ID: 216::103

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