CVE-2018-10561KEV · OVERDUE

Dasan GPON Routers Authentication Bypass Vulnerability

Critical · published May 4, 2018

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.8th percentile for exploit probability.

1646
days past CISA
deadline
CVSS v3.1
9.8
EPSS
93%
Percentile
99.8
In the wild
Confirmed
What it is

🚨 Just append "?images" to any URL and voilà—authentication is bypassed! It's like finding a secret door in a castle that should have been locked! 🔥 Think of this as a restaurant where anyone can sneak in just by saying the word 'menu'—it completely undermines the security of the establishment! An attacker could manage the router with full access—imagine them fiddling with settings, stealing sensitive data, or even turning your home network into a launchpad for further attacks! It’s absolutely devastating!

Put simply

Think of this as a restaurant where anyone can sneak in just by saying the word 'menu'—it completely undermines the security of the establishment! This vulnerability allows unauthorized access to Dasan GPON home routers by appending "?images" to a URL, effectively bypassing authentication mechanisms and enabling complete control over the device.

What to do

An attacker could manage the router with full access—imagine them fiddling with settings, stealing sensitive data, or even turning your home network into a launchpad for further attacks! It’s absolutely devastating! Immediate action is required: change the default router settings, disable remote management if not needed, and update to the latest firmware that addresses CVE-2018-10561. Don't delay! You've got this! By following these steps, you can secure your home network and keep those dastardly intruders out! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.92818 · 99.8th percentile
Published
2018-05-04T03:00Z
KEV added
2022-03-31 · due 2022-04-21
EPSS history
Timeline
  • 31 MAR 00:00Z
    Added to CISA KEV — remediate by Apr 21
    kev
  • 04 MAY 03:00Z
    An issue was discovered on Dasan GPON home routers
    cvelistv5