V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter
Priority HIGH 73CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00356 29th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Guangzhou V-SOLUTION Electronic Technology Co., Ltd. | SOL GPON/EPON OLT Platform | 2.03 | — | No fix listed | CNA |
- SOL GPON/EPON OLT Platform VendorGuangzhou V-SOLUTION Electronic Technology Co., Ltd. Affected 2.03 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-25237
- 2026-10-03 Alias added: GHSA-46cm-29f3-f9rv
References
Exploit 1
More Guangzhou V-SOLUTION Electronic Technology Co., Ltd. vulnerabilities
- TI-2019-15293 V-SOL GPON/EPON OLT Platform 2.03 Unauthenticated Configuration Download CVSS 4.0HIGH 8.7
- TI-2019-15292 V-SOL GPON/EPON OLT Platform 2.03 Cross-Site Request Forgery Vulnerability CVSS 4.0MEDIUM 5.1
Sources
- CVE-2019-25237 · CVE Program
- CVE-2019-25237 · NVD
- FIRST EPSS
- GHSA-46cm-29f3-f9rv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences