Nebula Fwa515 Firmware vulnerabilities

2 known vulnerabilities in Nebula Fwa515 Firmware from Zyxel. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.2 High severity

  DX3301-T0 firmware: Improper Neutralization of Special Elements used in an OS Command

  CVE-2026-1460Apr 28, 2026ZyxelEPSS 1.16%

  A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated attacker with administrator privileges t

• 7.5 High severity

  DX3301-T0 firmware: Uncontrolled Resource Consumption

  CVE-2025-6599Nov 18, 2025Zyxel

  An uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an attacker to perform Slowloris‑style denial‑of‑service (DoS) attacks. Such attacks may temporarily block legitim