Critical severity9.8NVD Advisory· Published Dec 24, 2025· Updated Apr 15, 2026
CVE-2019-25237
CVE-2019-25237
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.
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Affected products
1- Range: = v2.03
Patches
Vulnerability mechanics
References
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