Dasan GPON Devices - RCE (CVE-2018-10562)
1648Exploiting IPs reported
An issue was discovered on Dasan GPON home routers. Command Injection can occur via the dest_host parameter in a diag_action=ping request to a GponForm/diag_Form URI. Because the router saves ping results in /tmp and transmits them to the user when the user revisits /diag.html, it's quite simple to execute commands and retrieve their output.
CrowdSec analysis
CVE-2018-10562 is a critical vulnerability affecting Dasan GPON home routers, allowing attackers to achieve remote code execution through command injection via a diagnostic web form.
CrowdSec has been tracking this vulnerability and its exploits since 15th of December 2023.
CrowdSec network data shows that most actors exploiting CVE-2018-10562 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. In addition, according to the CrowdSec network, attack volume against CVE-2018-10562 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.
Attack attempts are typically directed at URLs containing /gponform/diag_form.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
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