CVE-2018-10561 Dasan GPON Routers Authentication Bypass
Attackers can bypass authentication on Dasan GPON home routers by appending a specific query string, gaining administrative control over the device.
- Exploited in the wild
- Since 31 Mar 2022
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-10561?
CVE-2018-10561 is a critical authentication bypass vulnerability in n/a, published on 4 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2018-10561?
It affects 1 product.
Products include Dasannetworks Gpon Router Firmware.
How do I fix CVE-2018-10561?
No fix has been published for CVE-2018-10561 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 21 Apr 2022.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2018-10561 being exploited?
Yes. Attackers have exploited CVE-2018-10561 in the wild since at least 31 Mar 2022.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-9f5c-v3c9-rfhg.