CVE-2019-25237

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.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - disclosure@vulncheck.com

Published

2025-12-24

Last modified

2025-12-24

Weaknesses

CWE-863

Affected products

• Sol Gponepon Olt Platform (Guangzhou V-solution Electronic Technology Co. Ltd.)

References

• https://www.exploit-db.com/exploits/47435
• https://www.vsolcn.com
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5538.php