Zyxel NR7101 Firmware vulnerabilities

9 CVEs affecting Zyxel NR7101 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-13942, published 2026-02-24.

Highest priority

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

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-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-2023-27989, published 2023-06-05. Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days. A buffer overflow vulnerability in the CGI program of the Zyxel NR7101 firmware versions prior to V1.00(ABUV.8)C0 could allow a remote authenticated attacker to cause denial of service (DoS)…
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-2022-43392, published 2023-01-11. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. A buffer overflow vulnerability in the parameter of web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS)…
CVE-2022-43389, published 2023-01-11. Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days. A buffer overflow vulnerability in the library of the web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an unauthenticated attacker to execute some OS commands or to…
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-2021-35036, published 2022-03-01. Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days. A cleartext storage of information vulnerability in the Zyxel VMG3625-T50B firmware version V5.50(ABTL.0)b2k could allow an authenticated attacker to obtain sensitive information from the…
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…