V-SOL GPON/EPON OLT Platform 2.03 Unauthenticated Configuration Download
Priority HIGH 77CWE-552Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-552.
Summary
V-SOL GPON/EPON OLT Platform 2.03 contains an unauthenticated information disclosure vulnerability that allows attackers to download configuration files via direct object reference. Attackers can retrieve sensitive configuration data by sending HTTP GET requests to the usrcfg.conf endpoint, potentially enabling authentication bypass and system access.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00399 34th 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
- Yes
- Technical impact
- Partial
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. | GPON/EPON OLT Platform | V2.03.62R_IPv6; V2.03.54R; V2.03.52R; V2.03.49; V2.03.47; V2.03.40; V2.03.26; V2.03.24; V1.8.6; V1.4 | — | No fix listed | CNA |
- GPON/EPON OLT Platform VendorGuangzhou V-SOLUTION Electronic Technology Co., Ltd. Affected V2.03.62R_IPv6; V2.03.54R; V2.03.52R; V2.03.49; V2.03.47; V2.03.40; V2.03.26; V2.03.24; V1.8.6; V1.4 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-25239
- 2026-10-03 Alias added: GHSA-43qf-qj5j-5r47
References
Exploit 1
More Guangzhou V-SOLUTION Electronic Technology Co., Ltd. vulnerabilities
- TI-2019-15291 V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter 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-2019-25239 · CVE Program
- CVE-2019-25239 · NVD
- FIRST EPSS
- GHSA-43qf-qj5j-5r47 · 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