The vulnerability in the implementation of the dm_checkString() function of the libcmm.so module in the TP-Link TL-WR840N (ES) router’s software allows a hacker to cause a service failure.

The vulnerability of the implementation of the dmcheckString function in the libcmm.so module of the TP-Link TL-WR840N ES router’s software lies in a numerical overflow condition. Exploiting this vulnerability could allow an attacker to cause a failure in the system by sending a specially crafted...

CVE-2022-25062

CVE-2022-25062 affects the TP-LINK TL-WR840N (ES) with firmware 6.20_180709. The vulnerability is an integer overflow in the function dm_checkString, leading to a Denial of Service (DoS) when a crafted HTTP request is sent. Public reports from CNVD and Red Hat corroborate the same root cause and ...