TOTOLINK Router Remote Code Execution Scanner

TOTOLINK Routers are widely used among small to medium-sized enterprises as well as individual users to establish and manage network connectivity. They serve the purpose of routing internet traffic while providing features such as wireless connectivity, network security, and user management. Due to their cost-effectiveness and customizable options, they are popular in households and small offices. Given their role in managing network communications, any vulnerabilities present in such routers can pose significant risks to connected devices.

The Remote Code Execution (RCE) vulnerability allows an attacker to execute arbitrary code on a server or network device, potentially gaining unauthorized control of the system. RCE is particularly dangerous because it can give attackers elevated privileges, allowing them to execute malicious operations. Such vulnerabilities are usually exploited through unvalidated input parameters in web applications or network services, making it crucial to employ robust security measures to mitigate these risks.

The specific vulnerability in the TOTOLINK Router stems from the /boaform/formWsc endpoint, whereby an attacker can inject OS commands through the localPin parameter. This flaw arises because the input is not properly sanitized, thereby allowing command injection. The vulnerable parameter in this case is 'localPin', which can be manipulated to execute unauthorized commands on the system, presenting a significant attack vector for remote exploitation.

Exploiting this vulnerability could lead to complete control over the router, allowing attackers to modify settings, intercept data, or perform further network attacks. It could also compromise the integrity of connected devices, lead to data loss, and result in unauthorized network access. Due to the critical role of routers in network communications, such a vulnerability could have widespread effects on network security and privacy.

REFERENCES

• https://github.com/fizz-is-on-the-way/Iot_vuls/blob/main/N150RT/RCE_formWsc/README.md