CVE-2022-45853: Zyxel GS1900-10hp Firmware

Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days.

The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version V2.70(AAHH.3) and the GS1900-8HP firmware version V2.70(AAHI.3) could allow an authenticated, local attacker with administrator privileges to execute some system commands as 'root' on a vulnerable device via SSH.

Affected products

• Zyxel GS1900-10hp Firmware: version 2.70(aazi.3) only
• Zyxel GS1900-16 Firmware: version 2.70(aahj.3) only
• Zyxel GS1900-24 Firmware: version 2.70(aahl.3) only
• Zyxel GS1900-24e Firmware: version 2.70(aahk.3) only
• Zyxel GS1900-24ep Firmware: version 2.70(abto.3) only
• Zyxel GS1900-24hpv2 Firmware: version 2.70(abtp.3) only
• Zyxel GS1900-48 Firmware: version 2.70(aahn.3) only
• Zyxel GS1900-48hpv2 Firmware: version 2.70(abtq.3) only
• Zyxel GS1900-8 Firmware: version 2.70(aahh.3) only
• Zyxel GS1900-8hp Firmware: version 2.70(aahi.3) only

Published 2023-05-30. Last modified 2026-06-17.