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TI-2020-17657 Aliases CVE-2020-29376GHSA-7qxp-7cvx-2478

An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49…

Priority MEDIUM 44CWE-798Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-798.

Summary

An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49, V1600D-MINI V1.01.48, V1600G1 V2.0.7 and V1.9.7, and V1600G2 V1.1.4 OLT devices. There is an !j@l#y$z%x6x7q8c9z) password for the admin account to authenticate to the TELNET service.

Why it matters now

EPSS 0.01122 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:o:vsolcn:v1600d_firmware:2.03.57:*:*:*:*:*:*:*2.03.57VulnerableVsolcn
cpe:2.3:o:vsolcn:v1600d_firmware:2.03.69:*:*:*:*:*:*:*2.03.69VulnerableVsolcn
cpe:2.3:h:vsolcn:v1600d:-:*:*:*:*:*:*:*not specified by NVDRunning onVsolcn
cpe:2.3:o:vsolcn:v1600d4l_firmware:1.01.49:*:*:*:*:*:*:*1.01.49VulnerableVsolcn
cpe:2.3:h:vsolcn:v1600d4l:-:*:*:*:*:*:*:*not specified by NVDRunning onVsolcn
cpe:2.3:o:vsolcn:v1600d-mini_firmware:1.01.48:*:*:*:*:*:*:*1.01.48VulnerableVsolcn
cpe:2.3:h:vsolcn:v1600d-mini:-:*:*:*:*:*:*:*not specified by NVDRunning onVsolcn
cpe:2.3:o:vsolcn:v1600g1_firmware:1.9.7:*:*:*:*:*:*:*1.9.7VulnerableVsolcn
cpe:2.3:o:vsolcn:v1600g1_firmware:2.0.7:*:*:*:*:*:*:*2.0.7VulnerableVsolcn
cpe:2.3:h:vsolcn:v1600g1:-:*:*:*:*:*:*:*not specified by NVDRunning onVsolcn
  • cpe:2.3:o:vsolcn:v1600d_firmware:2.03.57:*:*:*:*:*:*:* Versions 2.03.57 Vulnerable ·Vsolcn
  • cpe:2.3:o:vsolcn:v1600d_firmware:2.03.69:*:*:*:*:*:*:* Versions 2.03.69 Vulnerable ·Vsolcn
  • cpe:2.3:h:vsolcn:v1600d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Vsolcn
  • cpe:2.3:o:vsolcn:v1600d4l_firmware:1.01.49:*:*:*:*:*:*:* Versions 1.01.49 Vulnerable ·Vsolcn
  • cpe:2.3:h:vsolcn:v1600d4l:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Vsolcn
  • cpe:2.3:o:vsolcn:v1600d-mini_firmware:1.01.48:*:*:*:*:*:*:* Versions 1.01.48 Vulnerable ·Vsolcn
  • cpe:2.3:h:vsolcn:v1600d-mini:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Vsolcn
  • cpe:2.3:o:vsolcn:v1600g1_firmware:1.9.7:*:*:*:*:*:*:* Versions 1.9.7 Vulnerable ·Vsolcn
  • cpe:2.3:o:vsolcn:v1600g1_firmware:2.0.7:*:*:*:*:*:*:* Versions 2.0.7 Vulnerable ·Vsolcn
  • cpe:2.3:h:vsolcn:v1600g1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Vsolcn
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:vsolcn:v1600g2_firmware:1.1.4:*:*:*:*:*:*:*1.1.4VulnerableVsolcn
cpe:2.3:h:vsolcn:v1600g2:-:*:*:*:*:*:*:*not specified by NVDRunning onVsolcn
  • cpe:2.3:o:vsolcn:v1600g2_firmware:1.1.4:*:*:*:*:*:*:* Versions 1.1.4 Vulnerable ·Vsolcn
  • cpe:2.3:h:vsolcn:v1600g2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Vsolcn

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-29376
  2. 2026-10-03 Alias added: GHSA-7qxp-7cvx-2478

References

Exploit 1

  • TI-2020-17662 An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49… CVSS 3.1CRITICAL 9.8
  • TI-2020-17659 An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49… CVSS 3.1HIGH 8.8
  • TI-2020-17656 An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49… CVSS 3.1HIGH 8.8
  • TI-2020-17664 An issue was discovered on V-SOL V1600D4L V1.01.49 and V1600D-MINI V1.01.48 OLT devices. CVSS 3.1HIGH 7.8
  • TI-2020-17661 An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49… CVSS 3.1MEDIUM 5.9
  • TI-2020-17660 An issue was discovered on V-SOL V1600D4L V1.01.49 and V1600D-MINI V1.01.48 OLT devices. CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences