V-SOL GPON/EPON OLT Platform 2.03 Unauthenticated Configuration Download
Published Dec 24, 2025
8.7
HIGHCVSS 4.0
EPSS 0.40%
Description
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.
Affected products
-
- Version V1.4StatusaffectedConstraints-
- Version V1.8.6StatusaffectedConstraints-
- Version V2.03.24StatusaffectedConstraints-
- Version V2.03.26StatusaffectedConstraints-
- Version V2.03.40StatusaffectedConstraints-
- Version V2.03.47StatusaffectedConstraints-
- Version V2.03.49StatusaffectedConstraints-
- Version V2.03.52RStatusaffectedConstraints-
- Version V2.03.54RStatusaffectedConstraints-
- Version V2.03.62R_IPv6StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Guangzhou V-SOLUTION Electronic Technology | GPON/EPON OLT Platform | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Dec 24, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.40% (0.00399) | 31.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.36% (0.00355) | 27.17th | v5 (v2026.06.15) |
| Dec 25, 2025 | 0.07% (0.00074) | 22.68th | v4 (v2025.03.14) |
References (3)
- https://www.exploit-db.com/exploits/47433 exploit
- https://www.vsolcn.com product
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5534.php exploitthird-party-advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.exploit-db.com/exploits/47433 | exploit | |
| https://www.vsolcn.com | product | |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5534.php | exploitthird-party-advisory |
Change history (0)
No recorded changes yet.