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TI-2020-15764 Aliases CVE-2020-25755GHSA-4255-c99r-j52r

An issue was discovered on Enphase Envoy R3.x and D4.x (and other current) devices.

Priority MEDIUM 44CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
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-78.

Summary

An issue was discovered on Enphase Envoy R3.x and D4.x (and other current) devices. The upgrade_start function in /installer/upgrade_start allows remote authenticated users to execute arbitrary commands via the force parameter.

Why it matters now

EPSS 0.03076 87th 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 · 3

CPEVersionsRoleVendor
cpe:2.3:o:enphase:envoy_firmware:d4.0:*:*:*:*:*:*:*d4.0VulnerableEnphase
cpe:2.3:o:enphase:envoy_firmware:r3.0:*:*:*:*:*:*:*r3.0VulnerableEnphase
cpe:2.3:h:enphase:envoy:-:*:*:*:*:*:*:*not specified by NVDRunning onEnphase
  • cpe:2.3:o:enphase:envoy_firmware:d4.0:*:*:*:*:*:*:* Versions d4.0 Vulnerable ·Enphase
  • cpe:2.3:o:enphase:envoy_firmware:r3.0:*:*:*:*:*:*:* Versions r3.0 Vulnerable ·Enphase
  • cpe:2.3:h:enphase:envoy:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Enphase

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-25755
  2. 2026-10-03 Alias added: GHSA-4255-c99r-j52r

References

  • TI-2020-15762 An issue was discovered on Enphase Envoy R3.x and D4.x devices with v3 software. CVSS 3.1CRITICAL 9.8
  • TI-2023-16741 Enphase Envoy OS Command Injection CVSS 3.1CRITICAL 9.8
  • TI-2020-15763 An issue was discovered on Enphase Envoy R3.x and D4.x devices. CVSS 3.1HIGH 7.5
  • TI-2020-15761 An issue was discovered on Enphase Envoy R3.x and D4.x devices. CVSS 3.1MEDIUM 5.3

Sources