CVE-2019-25237 | V-SOL GPON/EPON OLT Platform v2.03 contains a privilege esca… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2019-25237
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2025-12-24 14:27 UTC
Published: 2025-12-24 19:27 UTC
Last updated: 2025-12-24 20:23 UTC
Primary CWE: CWE-863
Incorrect Authorization
Vendor / Product: Guangzhou V-SOLUTION Electronic Technology Co., Ltd. / SOL GPON/EPON OLT Platform
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Guangzhou V-SOLUTION Electronic Technology Co., Ltd.	SOL GPON/EPON OLT Platform	—	2.03

Weakness (CWE)

CWE	Source	Description
CWE-863	cna	Incorrect Authorization

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.7	HIGH	4.0	cna	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

References (3)

ExploitDB-47435 https://www.exploit-db.com/exploits/47435
V-SOL Official Product Homepage https://www.vsolcn.com
Zero Science Lab Disclosure (ZSL-2019-5538) https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5538.php