CVE-2018-10561

Known Exploited Public Exploit

Description

An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending "?images" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 92.18% Top 5%
KEV Since 
Third-Party Advisory securityfocus.com Third-Party Advisory exploit-db.com Third-Party Advisory vpnmentor.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/107053 broken link vdb entry third party advisory
https://www.exploit-db.com/exploits/44576/ exploit vdb entry third party advisory
https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/ technical description exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-10561?
CVE-2018-10561 has been scored as a critical severity vulnerability.
How to fix CVE-2018-10561?
To fix CVE-2018-10561, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-10561 being actively exploited in the wild?
It is confirmed that CVE-2018-10561 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~92% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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