CVE-2026-34122

A stack-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within a configuration handling component due to insufficient input validation. An attacker can exploit this vulnerability by supplying an excessively long value for a vulnerable configuration parameter,...

CVE-2026-34121

An authentication bypass vulnerability within the HTTP handling of the DS configuration service in TP-Link Tapo C520WS v2.6 was identified, due to inconsistent parsing and authorization logic in JSON requests during authentication check. An unauthenticated attacker can append an...

CVE-2026-34121 Authentication Bypass in DS Configuration Service via HTTP Request Parsing Differential of TP-Link Tapo C520WS

An authentication bypass vulnerability within the HTTP handling of the DS configuration service in TP-Link Tapo C520WS v2.6 was identified, due to inconsistent parsing and authorization logic in JSON requests during authentication check. An unauthenticated attacker can append an...

CVE-2026-34121 Authentication Bypass in DS Configuration Service via HTTP Request Parsing Differential of TP-Link Tapo C520WS

An authentication bypass vulnerability within the HTTP handling of the DS configuration service in TP-Link Tapo C520WS v2.6 was identified, due to inconsistent parsing and authorization logic in JSON requests during authentication check. An unauthenticated attacker can append an...

CVE-2026-34120 Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WS

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the asynchronous parsing of local video stream content due to insufficient alignment and validation of buffer boundaries when processing streaming inputs.An attacker on the same network segment could...

CVE-2026-34120

The vulnerability CVE-2026-34120 affects TP-Link Tapo C520WS (v2.6). A heap-based buffer overflow occurs in the asynchronous parsing of local video stream content due to insufficient alignment and validation of buffer boundaries when processing streaming inputs. An attacker on the same network se...

CVE-2026-34120 Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WS

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the asynchronous parsing of local video stream content due to insufficient alignment and validation of buffer boundaries when processing streaming inputs.An attacker on the same network segment could...

CVE-2026-34120

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the asynchronous parsing of local video stream content due to insufficient alignment and validation of buffer boundaries when processing streaming inputs.An attacker on the same network segment could...

CVE-2026-34119

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the HTTP parsing loop when appending segmented request bodies without continuous write‑boundary verification, due to insufficient boundary validation when handling externally supplied HTTP input. An...

CVE-2026-34119

CVE-2026-34119 — TP-Link Tapo C520WS (v2.6) shows a heap-based buffer overflow in the HTTP parsing loop when appending segmented request bodies, due to insufficient boundary validation for externally supplied HTTP input. The issue can allow heap memory corruption on the device when an attacker on...

CVE-2026-34118 Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WS

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 in the HTTP POST body parsing logic due to missing validation of remaining buffer capacity after dynamic allocation, due to insufficient boundary validation when handling externally supplied HTTP input. An...

CVE-2026-34118

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 in the HTTP POST body parsing logic due to missing validation of remaining buffer capacity after dynamic allocation, due to insufficient boundary validation when handling externally supplied HTTP input. An...

CVE-2026-34118 Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WS

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 in the HTTP POST body parsing logic due to missing validation of remaining buffer capacity after dynamic allocation, due to insufficient boundary validation when handling externally supplied HTTP input. An...

PT-2026-29847

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the HTTP parsing loop when appending segmented request bodies without continuous write‑boundary verification, due to insufficient boundary validation when handling externally supplied HTTP input. An...

PT-2026-29850

A stack-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within a configuration handling component due to insufficient input validation. An attacker can exploit this vulnerability by supplying an excessively long value for a vulnerable configuration parameter,...

PT-2026-29846

Name of the Vulnerable Software and Affected Versions TP-Link Tapo C520WS version 2.6 Description A heap-based buffer overflow exists in the HTTP POST body parsing logic due to insufficient boundary validation and missing validation of remaining buffer capacity after dynamic allocation when...

PT-2026-29849

A critical HTTP authentication bypass CVE-2026-34121 has been identified in TP-Link devices, potentially allowing unauthorized access. Technical Breakdown Vulnerability Type: Authentication Bypass Impact: Allows an attacker to circumvent HTTP authentication mechanisms on affected TP-Link devices,...

CVE-2021-27209

In the management interface on TP-Link Archer C5v 1.7181221 devices, credentials are sent in a base64 format over cleartext HTTP...

CVE-2021-27210

TP-Link Archer C5v 1.7181221 devices allows remote attackers to retrieve cleartext credentials via USERCFG0,0,0,0,0,00,0,0,0,0,00,0 to the /cgi?1&5 URI...

CVE-2026-3622

The vulnerability exists in the UPnP component of TL-WR841N v14, where improper input validation leads to an out-of-bounds read, potentially causing a crash of the UPnP service. Successful exploitation can cause the UPnP service to crash, resulting in a Denial-of-Service condition. This...