Man-in-the-Middle Vulnerability in SolaX Cloud by Alibaba Cloud
CVE-2025-15573

9.4CRITICAL

Key Information:

Vendor

Solax Power

Status
Pocket Wifi 3.0
Pocket Wifi+lan
Pocket Wifi+4gm
Pocket Wifi+lan 2.0
Vendor
CVE Published:
12 February 2026

What is CVE-2025-15573?

The SolaX Cloud service connects to the MQTTS server hosted on Alibaba Cloud without properly validating the server certificate. This flaw allows attackers positioned between the user and the server to impersonate the legitimate MQTT server, leading to unauthorized command execution on user devices and potential data breaches.

Affected Version(s)

Pocket WiFi 3.0 <3.022.03

Pocket WiFi 4.0 <003.03

Pocket WiFi+4GM <1.005.05

References

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

CVSS V3.1

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Stefan Viehböck, SEC Consult Vulnerability Lab
.