CVE-2019-25237 V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter
Normal users can gain administrative access by manipulating the user role parameter in HTTP requests, requiring immediate patching by network administrators.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-25237?
CVE-2019-25237 is a high-severity vulnerability in Guangzhou V-SOLUTION Electronic Technology Co., Ltd. SOL GPON/EPON OLT Platform, published on 24 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2019-25237?
How do I fix CVE-2019-25237?
No fix has been published for CVE-2019-25237 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-25237 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25237 exists.
Sources
Also known as GHSA-46cm-29f3-f9rv.