CVE-2022-26532: OS Command Injection
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 versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to execute arbitrary OS commands by including crafted arguments to the CLI command.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2022-26532?
CVE-2022-26532 is categorized as a high-severity vulnerability due to its potential to enable remote code execution.
How do I fix CVE-2022-26532?
To mitigate CVE-2022-26532, users should upgrade the affected Zyxel firmware to the latest recommended version.
Which Zyxel devices are affected by CVE-2022-26532?
CVE-2022-26532 impacts various Zyxel devices including USG, VPN, USG FLEX, ATP, and NSG series firmware versions specified in the vulnerability details.
What does CVE-2022-26532 exploit?
CVE-2022-26532 exploits an argument injection vulnerability in the 'packet-trace' command of affected Zyxel device firmware.
How can I determine if my Zyxel device is vulnerable to CVE-2022-26532?
You can determine if your Zyxel device is vulnerable to CVE-2022-26532 by checking the firmware version against the list of affected versions provided in the vulnerability report.