TP-Link Tapo C220 v1/Tapo C520WS v2 Firmware Update Endpoint denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in TP-Link Tapo C220 v1 and Tapo C520WS v2. Affected is an unknown function of the component Firmware Update Endpoint. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2026-1315. The attacker needs to be present on the local network. There is no available exploit.

Detailsinfo

A vulnerability was found in TP-Link Tapo C220 v1 and Tapo C520WS v2 (affected version unknown). It has been declared as critical. This vulnerability affects an unknown functionality of the component Firmware Update Endpoint. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

By sending crafted files to the firmware update endpoint of Tapo C220 v1 and C520WS v2, the device terminates core system services before verifying authentication or firmware integrity. An unauthenticated attacker can trigger a persistent denial of service, requiring a manual reboot or application initiated restart to restore normal device operation.

The weakness was presented by NeWbie. The advisory is available at tp-link.com. This vulnerability was named CVE-2026-1315 since 01/22/2026. The exploitation appears to be easy. The attack can only be done within the local network. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

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

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Productinfo

Vendor

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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: 7.0
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 7.5
NVD Vector: 🔒

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: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

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

01/22/2026 CVE reserved
01/27/2026 +5 days Advisory disclosed
01/27/2026 +0 days VulDB entry created
03/12/2026 +44 days VulDB entry last update

Sourcesinfo

Vendor: tp-link.com

Advisory: tp-link.com
Researcher: NeWbie
Status: Confirmed

CVE: CVE-2026-1315 (🔒)
GCVE (CVE): GCVE-0-2026-1315
GCVE (VulDB): GCVE-100-343078

Entryinfo

Created: 01/27/2026 20:48
Updated: 03/12/2026 01:26
Changes: 01/27/2026 20:48 (65), 03/12/2026 01:26 (12)
Complete: 🔍
Cache ID: 216::103

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