CVE-2019-25237
V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter
- State
- Published
- Severity
- 8.7 High
- Published
- Dec 24, 2025
- Updated
- Dec 24, 2025
- Reserved
- Dec 24, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
SOL GPON/EPON OLT PlatformGuangzhou V-SOLUTION Electronic Technology Co., Ltd. |
|
References
- ExploitDB-47435exploit
- V-SOL Official Product Homepageproduct
- Zero Science Lab Disclosure (ZSL-2019-5538)third-party-advisory
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