CVE-2018-10561

EUVD-2018-2633
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
Affected Products (NVD)
VendorProductVersion
dasannetworksgpon_router_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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-2018-10561