Zyxel PX3321-t1 Firmware vulnerabilities

18 CVEs affecting Zyxel PX3321-t1 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-2025-11848, published 2026-02-24. Medium severity, CVSS 4.9. EPSS: 2% chance of exploitation in the next 30 days. A null pointer dereference vulnerability in the Wake-on-LAN CGI program of the Zyxel VMG3625-T50B firmware version through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through…
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-2025-13943, 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-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-2025-13942, published 2026-02-24. Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days. A command injection vulnerability in the UPnP function of the Zyxel EX3510-B0 firmware versions through 5.17(ABUP.15.1)C0 could allow a remote attacker to execute operating system (OS) commands on an…
CVE-2024-12010, 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 ”zyUtilMailSend” function of the Zyxel AX7501-B1 firmware version V5.17(ABPC.5.3)C0 and earlier could allow an authenticated attacker with…
CVE-2024-12009, 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 "ZyEE" function of the Zyxel EX5601-T1 firmware version V5.70(ACDZ.3.6)C0 and earlier could allow an authenticated attacker with…
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-2025-11845, 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)…

Latest

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…