CVE-2020-25752

MEDIUM

Enphase Envoy R3.x and D4.x - Use of Hard-coded Credentials

Title source: llm
STIX 2.1

Description

An issue was discovered on Enphase Envoy R3.x and D4.x devices. There are hardcoded web-panel login passwords for the installer and Enphase accounts. The passwords for these accounts are hardcoded values derived from the MD5 hash of the username and serial number mixed with some static strings. The serial number can be retrieved by an unauthenticated user at /info.xml. These passwords can be easily calculated by an attacker; users are unable to change these passwords.

References (3)

Core 3
Core References
Product, Vendor Advisory x_refsource_misc
https://enphase.com/en-us/products-and-services/envoy-and-combiner
Third Party Advisory x_refsource_misc
https://stage2sec.com

Scores

CVSS v3 5.3
EPSS 0.0160
EPSS Percentile 72.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-798
Status published
Products (2)
enphase/envoy_firmware d4.0
enphase/envoy_firmware r3.0
Published Jun 16, 2021
Tracked Since Feb 18, 2026