Zyxel DX5401-b0 Firmware vulnerabilities

22 CVEs affecting Zyxel DX5401-b0 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-0711, published 2026-04-28.

Highest priority

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

CVE-2023-28770, published 2023-04-27. High severity, CVSS 7.5. EPSS: 57.8% chance of exploitation in the next 30 days. The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated…
CVE-2023-28769, published 2023-04-27. Critical severity, CVSS 9.8. EPSS: 5.4% chance of exploitation in the next 30 days. The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker…
CVE-2022-43390, published 2023-01-11. High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days. A command injection vulnerability in the CGI program of Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to execute some OS commands on a vulnerable device…
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-2026-0711, published 2026-04-28. Medium severity, CVSS 6.8. EPSS: 0.8% chance of exploitation in the next 30 days. A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with…
CVE-2022-43391, published 2023-01-11. Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days. A buffer overflow vulnerability in the parameter of the CGI program in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS)…
CVE-2022-26413, published 2022-04-11. High severity, CVSS 8.0. EPSS: 0.7% chance of exploitation in the next 30 days. A command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0 could allow a local authenticated attacker to execute arbitrary OS commands on a vulnerable…
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…
CVE-2024-9197, published 2024-12-03. Medium severity, CVSS 4.9. EPSS: 0.5% chance of exploitation in the next 30 days. A post-authentication buffer overflow vulnerability in the parameter "action" of the CGI program in Zyxel VMG3625-T50B firmware versions through V5.50(ABPM.9.2)C0 could allow an authenticated…
CVE-2024-8748, published 2024-12-03. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. A buffer overflow vulnerability in the packet parser of the third-party library "libclinkc" in Zyxel VMG8825-T50K firmware versions through V5.50(ABOM.8.4)C0 could allow an attacker to cause a…
CVE-2024-38269, published 2024-09-24. Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days. An improper restriction of operations within the bounds of a memory buffer in the USB file-sharing handler of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an…
CVE-2024-38268, published 2024-09-24. Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days. An improper restriction of operations within the bounds of a memory buffer in the MAC address parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated…
CVE-2024-38267, published 2024-09-24. Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days. An improper restriction of operations within the bounds of a memory buffer in the IPv6 address parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated…