CVE-2022-25137 : Vulnerability Insights and Analysis
Learn about CVE-2022-25137, a command injection flaw in TOTOLINK routers T6 V3 and T10 V2, allowing attackers to execute commands via MQTT packets. Find mitigation steps here.
A command injection vulnerability in TOTOLINK Technology routers T6 V3_Firmware T6_V3_V4.1.5cu.748_B20211015 and T10 V2_Firmware V4.1.8cu.5207_B20210320 allows attackers to execute arbitrary commands via crafted MQTT packets.
Understanding CVE-2022-25137
This CVE describes a command injection vulnerability in specific TOTOLINK Technology routers that could be exploited by attackers.
What is CVE-2022-25137?
The CVE-2022-25137 vulnerability exists in the function recvSlaveUpgstatus of TOTOLINK Technology routers, enabling threat actors to run malicious commands through a carefully designed MQTT packet.
The Impact of CVE-2022-25137
If successfully exploited, this vulnerability could lead to unauthorized command execution on the affected routers, potentially compromising the entire network's security.
Technical Details of CVE-2022-25137
This section outlines the technical details of the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability allows malicious actors to execute arbitrary commands on TOTOLINK Technology routers T6 V3 and T10 V2 by sending specially crafted MQTT packets to the recvSlaveUpgstatus function.
Affected Systems and Versions
TOTOLINK routers T6 V3 with firmware version T6_V3_V4.1.5cu.748_B20211015 and T10 V2 with firmware version V4.1.8cu.5207_B20210320 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending manipulated MQTT packets, triggering the execution of unauthorized commands on the vulnerable routers.
Mitigation and Prevention
In this section, we discuss the steps to mitigate the risks associated with CVE-2022-25137 and prevent potential exploitation.
Immediate Steps to Take
Immediately update the firmware of TOTOLINK routers T6 V3 and T10 V2 to the latest patched versions provided by the vendor. Additionally, restrict network access to vulnerable devices.
Long-Term Security Practices
Regularly monitor for security updates from TOTOLINK Technology and implement network segmentation to limit the impact of future vulnerabilities.
Patching and Updates
Stay informed about firmware updates released by TOTOLINK to address CVE-2022-25137 and other security issues. Promptly apply patches to ensure the security of your network infrastructure.