A vulnerability classified as problematic has been found in TP-Link TL-SG108E 1.0.0 Build 20201208 Rel. 40304. Affected is an unknown function of the file /usr_account_set.cgi of the component HTTP GET Request Handler. The manipulation of the argument username/password leads to use of get request method with sensitive query strings. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.0.0 Build 20250124 Rel. 54920(Beta) is able to address this issue. It is recommended to upgrade the affected component. The vendor was contacted early. They reacted very professional and provided a pre-fix version for their customers.
TP-Link TL-WR940N V3 and V4 with firmware 3.16.9 and earlier contain a buffer overflow via the dnsserver1 and dnsserver2 parameters at /userRpm/Wan6to4TunnelCfgRpm.htm. This vulnerability allows an authenticated attacker to execute arbitrary code on the remote device in the context of the root user.
TL-WR845N(UN)_V4_201214, TP-Link TL-WR845N(UN)_V4_200909, and TL-WR845N(UN)_V4_190219 was discovered to transmit user credentials in plaintext after executing a factory reset.
TP-Link TL-WR845N(UN)_V4_190219 was discovered to transmit credentials in base64 encoded form, which can be easily decoded by an attacker executing a man-in-the-middle attack.
TP-Link TL-WR845N(UN)_V4_201214, TL-WR845N(UN)_V4_200909 and TL-WR845N(UN)_V4_190219 were discovered to contain weak default credentials for the Administrator account.
A vulnerability, which was classified as critical, was found in TP-Link VN020 F3v(T) TT_V6.2.1021. This affects an unknown part of the component FTP USER Command Handler. The manipulation leads to memory corruption. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
A vulnerability classified as critical has been found in TP-Link VN020 F3v(T) TT_V6.2.1021. Affected is an unknown function of the file /control/WANIPConnection of the component SOAP Request Handler. The manipulation of the argument NewConnectionType leads to buffer overflow. The attack needs to be done within the local network. The exploit has been disclosed to the public and may be used.
TP-Link TL-IPC42C V4.0_20211227_1.0.16 is vulnerable to command injection due to the lack of malicious code verification on both the frontend and backend.
A vulnerability, which was classified as critical, has been found in TP-Link VN020 F3v(T) TT_V6.2.1021. Affected by this issue is some unknown functionality of the component DHCP DISCOVER Packet Parser. The manipulation of the argument hostname leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
This vulnerability exists in TP-Link IoT Smart Hub due to storage of Wi-Fi credentials in plain text within the device firmware. An attacker with physical access could exploit this by extracting the firmware and analyzing the binary data to obtain the Wi-Fi credentials stored on the vulnerable device.