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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-6241 Detail

Description

An authenticated format string vulnerability is present in the ONVIF AddScopes in Tapo C520WS v2, where user-controlled input is improperly passed to formatting functions without adequate sanitization. An attacker can inject format specifiers into ONVIF scope parameters to manipulate memory handling behavior. Successful exploitation may cause the ONVIF management service to crash, resulting in DoS condition that impacts normal device operation.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  TPLink
CVSS-B 6.8 MEDIUM
Vector:  CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://www.tp-link.com/en/support/download/tapo-c520ws/#Firmware-Release-Notes TPLink
https://www.tp-link.com/us/support/download/tapo-c520ws/#Firmware-Release-Notes TPLink
https://www.tp-link.com/us/support/faq/5120/ TPLink

Weakness Enumeration

CWE-ID CWE Name Source
CWE-134 Use of Externally-Controlled Format String TPLink  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-6241
NVD Published Date:
06/05/2026
NVD Last Modified:
06/05/2026
Source:
TPLink