6.8

CVE-2026-6241

Authenticated Format String Vulnerability in ONVIF AddScopes Method on TP-Link Tapo C520WS

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerTP-Link Systems Inc.
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Produkt Tapo C520WS v2
Default Statusunaffected
Version 0
Version < 1.2.6 Build 260528
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.058
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
f23511db-6c3e-4e32-a477-6aa17d310630 6.8 0 0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-134 Use of Externally-Controlled Format String

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

https://www.tp-link.com/us/support/download/tapo-c520ws/#Firmware-Release-Notes
https://www.tp-link.com/en/support/download/tapo-c520ws/#Firmware-Release-Notes
https://www.tp-link.com/us/support/faq/5120/