CVE-2019-25237 HIGH

CVE-2019-25237: V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter

Vendor Guangzhou V-Solution Electronic Technology Co., Ltd.
Product SOL GPON/EPON OLT Platform
Weakness CWE-863 · Incorrect authorization
Published December 24, 2025
Last update December 24, 2025
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 24, 2025 CVE published
December 24, 2025 Record updated