Zyxel Nebula FWA505 Firmware vulnerabilities

7 CVEs affecting Zyxel Nebula FWA505 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-1460, published 2026-04-28.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2025-11847, published 2026-02-24. Medium severity, CVSS 4.9. EPSS: 1.8% chance of exploitation in the next 30 days. A null pointer dereference vulnerability in the IP settings CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions…
CVE-2025-11846, published 2026-02-24. Medium severity, CVSS 4.9. EPSS: 1.2% chance of exploitation in the next 30 days. A null pointer dereference vulnerability in the account settings CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through…
CVE-2026-1460, published 2026-04-28. High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days. 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…
CVE-2025-11845, published 2026-02-24. Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days. A null pointer dereference vulnerability in the certificate downloader CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions…
CVE-2024-5412, published 2024-09-03. High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days. A buffer overflow vulnerability in the library "libclinkc" of the Zyxel VMG8825-T50K firmware version 5.50(ABOM.8)C0 could allow an unauthenticated attacker to cause denial of service (DoS)…
CVE-2025-6599, published 2025-11-18. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. 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…
CVE-2024-0816, published 2024-05-21. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. The buffer overflow vulnerability in the DX3300-T1 firmware version V5.50(ABVY.4)C0 could allow an authenticated local attacker to cause denial of service (DoS) conditions by executing the CLI…