CVSS 3.1 Score 8.8 of 10 (high)


Published Nov 30, 2023
Updated: Dec 6, 2023


CVE-2023-37928 is a post-authentication command injection vulnerability found in the WSGI server of Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0. This vulnerability could be exploited by an authenticated attacker who sends a crafted URL to a vulnerable device, allowing them to execute operating system (OS) commands. The affected products include tsXObX, iQCG0Y, iQCG0Z, rj9bEm, rj9bEl, qPkLex, rj9bEi, tsXObY, and iQCG0f. The severity of this vulnerability is rated as HIGH with a base score of 8.8 and an impact score of 5.9. The potential danger it poses to organizations includes high integrity and confidentiality impact, with the possibility of unauthorized execution of OS commands. A patch or firmware update from Zyxel would be required to remediate this vulnerability effectively.


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