What’s Vulnerable › Vulnerabilities

CVE-2018-10562: Dasan GPON Routers Command Injection Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-03-31
• EPSS: 99.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-05-04 · updated 2026-06-17
• Weakness: CWE-78

Description

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.

Affected products

• Dasannetworks Gpon Router Firmware: all versions

References

• http://www.securityfocus.com/bid/107053
• https://www.exploit-db.com/exploits/44576/
• https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/
• http://www.securityfocus.com/bid/107053
• https://www.exploit-db.com/exploits/44576/
• https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-10562

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