CVE-2026-6241: Use of Externally-Controlled Format String

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...

CVE-2026-6242: Use of Externally-Controlled Format String

An authenticated format string vulnerability exists in the ONVIF Subscribe service in Tapo C520WS v2 due to improper handling of externally supplied parameters within formatting functions. An attacker may inject crafted format strings into event subscription requests or notification generation pa...

CVE-2026-6239: Stack-based Buffer Overflow

A stack‑based buffer overflow vulnerability exists in Tapo C520WS v2 in the ONVIF CreateUsers service, where the device fails to properly validate the number of XML user nodes during request processing. An authenticated attacker can send a specially crafted ONVIF request containing an excessive...

TP-Link Tapo C520WS 安全漏洞

The TP-Link Tapo C520WS is a WiFi camera produced by TP-Link Corporation. The TP-Link Tapo C520WS v2 version has a security vulnerability. This vulnerability stems from a format string vulnerability in the ONVIF Subscribe service. Improper handling of parameters provided by external sources may...

CVE-2026-6242

An authenticated format string vulnerability exists in the ONVIF Subscribe service in Tapo C520WS v2 due to improper handling of externally supplied parameters within formatting functions. An attacker may inject crafted format strings into event subscription requests or notification generation pa...

CVE-2026-6242 Authenticated Format String Vulnerability in ONVIF Subscribe Service on TP-Link Tapo C520WS

An authenticated format string vulnerability exists in the ONVIF Subscribe service in Tapo C520WS v2 due to improper handling of externally supplied parameters within formatting functions. An attacker may inject crafted format strings into event subscription requests or notification generation pa...

CVE-2026-6242 Authenticated Format String Vulnerability in ONVIF Subscribe Service on TP-Link Tapo C520WS

An authenticated format string vulnerability exists in the ONVIF Subscribe service in Tapo C520WS v2 due to improper handling of externally supplied parameters within formatting functions. An attacker may inject crafted format strings into event subscription requests or notification generation pa...

CVE-2026-6242

The CVE-2026-6242 entry describes an authenticated format-string vulnerability in the ONVIF Subscribe service of TP-Link Tapo C520WS v2. The root cause is improper handling of externally supplied parameters within formatting functions, enabling an attacker with valid credentials to inject crafted...

CVE-2026-6241

An authenticated format-string vulnerability affects TP-Link Tapo C520WS v2 (ONVIF AddScopes). User-controlled input is passed to formatting functions without proper sanitization, enabling injection of format specifiers that can manipulate memory handling. Exploitation may cause the ONVIF managem...

CVE-2026-6241

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...

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...

CVE-2026-6240

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 ...

CVE-2026-6240 Authenticated Stack-based Buffer Overflow in ONVIF DeleteUsers Service on TP-Link Tapo C520WS

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 ...

CVE-2026-6239

A stack‑based buffer overflow vulnerability exists in Tapo C520WS v2 in the ONVIF CreateUsers service, where the device fails to properly validate the number of XML user nodes during request processing. An authenticated attacker can send a specially crafted ONVIF request containing an excessive...

CVE-2026-6239

Summary: A stack-based buffer overflow affects TP-Link Tapo C520WS v2 in the ONVIF CreateUsers service. The issue arises from improper validation of the number of XML user nodes during request processing. An authenticated attacker can submit a crafted ONVIF request with an excessive number of use...

CVE-2026-34123 Whitelist Validation Bypass in TP-Link Tapo C520WS

On Tapo C520WS v2, restricted accounts for example, hub users are intended to execute only a limited set of low‑sensitivity operations. Due to a logic flaw in the device’s API authorization mechanism, an attacker can craft requests that leverage legitimate “method mapping” behavior to bypass...

CVE-2026-34123

On Tapo C520WS v2, restricted accounts for example, hub users are intended to execute only a limited set of low‑sensitivity operations. Due to a logic flaw in the device’s API authorization mechanism, an attacker can craft requests that leverage legitimate “method mapping” behavior to bypass...

CVE-2026-34123

CVE-2026-34123 affects TP-Link Tapo C520WS devices. A logic flaw in the device API authorization allows a restricted account to bypass whitelist checks by abusing method mapping , enabling restricted operations to be executed. Reported impact includes device resets, unintended configuration chang...

CVE-2026-34126

TP-Link has identified a vulnerability in Tapo L535E v1.0 and v3.0, Tapo P300 v1.0, and Tapo D100C v1.0, where Bluetooth communication during the initial setup phase is transmitted in cleartext without encryption. Bluetooth is only used during initialization. An attacker within the Bluetooth rang...

CVE-2026-1871

TP-Link Tapo C200 v5 contains a stack-based buffer overflow flaw in RTSP authentication handling due to improper validation of Authorization header field lengths, which can be triggered by a crafted authentication request. Successful exploitation causes the affected RTSP core service process to...