What’s Vulnerable › Vulnerabilities
CVE-2019-25237: V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-12-24 · updated 2026-06-17
- Weakness: CWE-863
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.
Affected products
References
- https://www.exploit-db.com/exploits/47435
- https://www.vsolcn.com
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5538.php
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5538.php
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