What’s Vulnerable › Vulnerabilities

CVE-2025-63353

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-11-12 · updated 2026-06-17
• Weakness: CWE-284

Description

A vulnerability in FiberHome GPON ONU HG6145F1 RP4423 allows the device's factory default Wi-Fi password (WPA/WPA2 pre-shared key) to be predicted from the SSID. The device generates default passwords using a deterministic algorithm that derives the router passphrase from the SSID, enabling an attacker who can observe the SSID to predict the default password without authentication or user interaction.

Affected products

• FiberHome Hg6145F1 Firmware: rp4423

References

• https://github.com/hanianis/CVE-2025-63353
• https://medium.com/@hanianis.bouzid/fiberhome-gpon-onu-model-hg6145f1-router-predictable-wifi-passwords-and-real-risks-d8e54da385d3

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