> VE-2026-34122: TP-Link HTTP DS stack buffer overflow

An attacker sending a malformed HTTP POST request over LAN to a TP-Link Smart camera device can trigger the vulnerability described here. This report describes a stack buffer overflow, which leads to remote code execution. The vulnerability we are disclosing in this advisory affected a wide range of TP-Link devices, including TAPO Smart Cameras. A TP-Link Security Advisory released in April 2026 contains this vulnerability as CVE-2026-34122. Vulnerability Details There is an unsafe strcpy in the handler function of the set_park_config DS action of the HTTP server in TAPO devices: ds_set_park_config() { iVar1 = get_some_global(); if (iVar1 != 0) { memcpy(&local_48,(void *)(iVar1 + 0x10),0x38); action_mode = jso_obj_get_string_origin(root,"enabled"); if ((action_mode !