CVE-2019-25237
HIGH EPSS 23.1%
Published Dec 24, 20256mo ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
Published Dec 24, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago
Description
V-SOL GPON/EPON OLT Platform v2.03 contains a privilege escalation vulnerability that allows normal users to gain administrative access by manipulating the user role parameter. Attackers can send a crafted HTTP POST request to the user management endpoint with 'user_role_mod' set to integer value '1' to elevate their privileges.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
23.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-863 Incorrect Authorization Authorization
References 3
- exploit-db.com https://www.exploit-db.com/exploits/47435
- vsolcn.com https://www.vsolcn.com
- zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5538.php
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.