Vulnerability in Guangzhou V-Solution Electronic Technology Gpon/epon Olt Platform
CVE-2019-25239
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (31.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000
Affected products
- Guangzhou V-Solution Electronic Technology Gpon/epon Olt Platform — versions V2.03.62R_IPv6, V2.03.54R, V2.03.52R
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/47433 (exploit)
- www.vsolcn.com (product)
- www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5534.php (third-party-advisory)
Frequently asked questions
- What is CVE-2019-25239?
- CVE-2019-25239 is a high-severity vulnerability in Guangzhou V-Solution Electronic Technology Gpon/epon Olt Platform, classified under Files or Directories Accessible to External Parties. CVSS score: 7.5/10. Published 2025-12-24.
- How severe is CVE-2019-25239?
- High severity. CVSS v3 base score is 7.5 out of 10.