CVE-2018-10561
CRITICAL CISA KEV EPSS 99.8%
Published May 4, 20188y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Published May 4, 2018 8y ago
Last Modified Jun 17, 2026 2w ago
KEV Listed Mar 31, 2022 4y ago
KEV Due Apr 21, 2022 1534d overdue
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
CISA Known Exploited Overdue 1534d
- Added
- Mar 31, 2022
- Due
- Apr 21, 2022
The impacted product is end-of-life and should be disconnected if still in use.
EPSS Exploit Probability
99.8% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available
Weaknesses 1
CWE-287 Improper Authentication Authentication
Affected Products 2
| Vendor | Product | Version | Range |
|---|---|---|---|
| dasannetworks | gpon_router_firmware | * | any |
| dasannetworks | gpon_router | * | any |
References 4
- securityfocus.com http://www.securityfocus.com/bid/107053
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-10561
- exploit-db.com https://www.exploit-db.com/exploits/44576/
- vpnmentor.com https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.