Zyxel DM4200-b0 Firmware vulnerabilities

4 CVEs affecting Zyxel DM4200-b0 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-13943, published 2026-02-24.

Highest priority

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

CVE-2025-13943, published 2026-02-24. High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days. A post-authentication command injection vulnerability in the log file download function of the Zyxel EX3301-T0 firmware versions through 5.50(ABVY.7)C0 could allow an authenticated attacker to…
CVE-2024-11253, published 2025-03-11. High severity, CVSS 7.2. EPSS: 1.1% chance of exploitation in the next 30 days. A post-authentication command injection vulnerability in the "DNSServer” parameter of the diagnostic function in the Zyxel VMG8825-T50K firmware version V5.50(ABOM.8.5)C0 and earlier could allow an…
CVE-2025-8693, published 2025-11-18. High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days. A post-authentication command injection vulnerability in the "priv" parameter of Zyxel DX3300-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an authenticated attacker to execute…
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…