NXC5500 firmware vulnerabilities

3 known vulnerabilities in NXC5500 firmware from Zyxel. 3 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.0 High severity

  ATP series firmware: Improper Neutralization of Special Elements used in an OS Command

  CVE-2023-34141Jul 17, 2023Zyxel

  A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through

• 7.8 High severity

  USG/ZyWALL series firmware: Improper Neutralization of Special Elements used in an OS Command

  CVE-2022-26532May 24, 2022ZyxelEPSS 4.79%

  A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versio

• 7.8 High severity

  Multiple improper input validation flaws were identified in some CLI commands of Zyxel…

  CVE-2022-26531May 24, 2022ZyxelEPSS 6.37%

  Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmwa