Learn about CVE-2018-10562, a vulnerability in Dasan GPON home routers allowing Command Injection. Understand the impact, affected systems, exploitation, and mitigation steps.
A vulnerability has been identified in Dasan GPON home routers that allows Command Injection through a specific request, potentially leading to unauthorized command execution.
Understanding CVE-2018-10562
This CVE involves a flaw in Dasan GPON home routers that enables attackers to execute commands via a ping request.
What is CVE-2018-10562?
Command Injection can occur through the dest_host parameter in a diag_action=ping request to a GponForm/diag_Form URI on Dasan GPON home routers. This vulnerability allows attackers to execute commands and retrieve their output easily.
The Impact of CVE-2018-10562
The vulnerability permits unauthorized command execution on affected routers, posing a significant security risk to users' networks and data.
Technical Details of CVE-2018-10562
Dasan GPON home routers are susceptible to Command Injection through a specific URI request.
Vulnerability Description
The flaw allows attackers to execute commands by manipulating the dest_host parameter in a ping request, exploiting the router's behavior of storing ping results in /tmp and transmitting them to users upon revisiting /diag.html.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit the vulnerability by sending a crafted request to the GponForm/diag_Form URI, enabling them to execute arbitrary commands on the router.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-10562.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that Dasan GPON home routers are updated with the latest firmware releases that address the Command Injection vulnerability.