Vital safety flaws have been found within the TOTOLINK X6000R wi-fi router, exposing customers to extreme dangers of distant code execution and unauthorized system entry.
These vulnerabilities have an effect on the router’s internet interface and varied administrative capabilities, creating a number of assault vectors that malicious actors can exploit to realize full management over affected units.
The invention highlights ongoing safety challenges in client networking gear, the place insufficient enter validation and poor safe coding practices proceed to create vital assault surfaces.
The TOTOLINK X6000R, marketed as a high-performance wi-fi router for residence and small enterprise environments, has grow to be a goal of concern on account of a number of command injection vulnerabilities inside its firmware.
These safety flaws enable unauthenticated distant attackers to execute arbitrary system instructions via specifically crafted HTTP requests to the machine’s internet administration interface.
The vulnerabilities stem from inadequate sanitization of user-supplied enter parameters, that are immediately handed to system capabilities with out correct validation or encoding.
Following in depth safety analysis, Palo Alto Networks analysts recognized these essential vulnerabilities throughout routine risk looking actions and firmware evaluation.
The analysis group found that the router’s internet interface fails to implement satisfactory safety controls, significantly in dealing with administrative capabilities and parameter processing.
This analysis was a part of a broader initiative to evaluate the safety posture of extensively deployed networking infrastructure units.
Essentially the most extreme vulnerability permits attackers to bypass authentication mechanisms totally, executing instructions with root privileges on the underlying Linux system.
Profitable exploitation requires solely community connectivity to the goal machine, making these flaws significantly harmful for internet-facing routers or units accessible via compromised community segments.
The assault vectors embrace malicious HTTP requests focusing on particular CGI endpoints, the place parameters containing shell metacharacters can set off command execution.
VulnerabilityCVEComponentImpactAttack VectorAuthentication RequiredCommand Injection in CGI InterfacePendingWeb Administration InterfaceRemote Code ExecutionHTTP POST RequestNoAuthentication BypassPendingAdmin Panel AccessUnauthorized AccessDirect URL AccessNoParameter InjectionPendingConfiguration ModuleSystem Command ExecutionMalicious HTTP ParametersNoShell Metacharacter InjectionPendingSystem ConfigurationRoot Privilege EscalationCrafted Enter ParametersNo
Command Injection Assault Mechanism
The first assault mechanism revolves round command injection vulnerabilities within the router’s CGI scripts, particularly throughout the machine administration and configuration modules.
Attackers can craft HTTP POST requests containing malicious payloads embedded inside seemingly reputable configuration parameters.
These payloads leverage shell command separators reminiscent of semicolons, pipe characters, and backticks to interrupt out of meant command contexts and execute arbitrary system instructions.
The susceptible endpoints course of consumer enter via system calls with out implementing correct enter validation or command sanitization.
For instance, configuration parameters meant for community settings are immediately concatenated into shell instructions, permitting attackers to inject extra instructions.
This design flaw permits full system compromise, together with the power to change router configurations, extract delicate info, set up persistent backdoors, and pivot to different network-connected units.
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