CVE-2025-15575: Solax Power Pocket wifi+4gm

Medium severity, CVSS 5.3. EPSS: 0.1% chance of exploitation in the next 30 days.

The firmware update functionality does not verify the authenticity of the supplied firmware update files. This allows attackers to flash malicious firmware update files on the device. Initial analysis of the firmware update functionality does not show any cryptographic checks (e.g. digital signature checks) on the supplied firmware update files. Furthermore, ESP32 security features such as secure boot are not used.

Affected products

• Solax Power Pocket wifi+4gm: before 1.005.05 (fixed in 1.005.05)
• Solax Power Pocket Wifi+lan: before 1.009.02 (fixed in 1.009.02)
• Solax Power Pocket Wifi+lan 2.0: before 006.06 (fixed in 006.06)
• Solax Power Pocket Wifi 3.0: before 3.022.03 (fixed in 3.022.03)
• Solax Power Pocket Wifi 4.0: before 003.03 (fixed in 003.03)

Published 2026-02-12. Last modified 2026-06-17.