CVE-2024-8881: Zyxel GS1900-10hp Firmware

Medium severity, CVSS 6.8. EPSS: 0.7% chance of exploitation in the next 30 days.

A post-authentication command injection vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to execute some operating system (OS) commands on an affected device by sending a crafted HTTP request.

Affected products

• Zyxel GS1900-10hp Firmware: before 2.90\(aazi.0\)c0 (fixed in 2.90\(aazi.0\)c0)
• Zyxel GS1900-16 Firmware: before 2.90\(aahj.0\)c0 (fixed in 2.90\(aahj.0\)c0)
• Zyxel GS1900-24 Firmware: before 2.90\(aahl.0\)c0 (fixed in 2.90\(aahl.0\)c0)
• Zyxel GS1900-24e Firmware: before 2.90\(aahk.0\)c0 (fixed in 2.90\(aahk.0\)c0)
• Zyxel GS1900-24ep Firmware: before 2.90\(abto.0\)c0 (fixed in 2.90\(abto.0\)c0)
• Zyxel GS1900-24hpv2 Firmware: before 2.90\(abtp.0\)c0 (fixed in 2.90\(abtp.0\)c0)
• Zyxel GS1900-48 Firmware: before 2.90\(aahn.0\)c0 (fixed in 2.90\(aahn.0\)c0)
• Zyxel GS1900-48hpv2 Firmware: before 2.90\(abtq.0\)c0 (fixed in 2.90\(abtq.0\)c0)
• Zyxel GS1900-8 Firmware: before 2.90\(aahh.0\)c0 (fixed in 2.90\(aahh.0\)c0)
• Zyxel GS1900-8hp Firmware: before 2.90\(aahi.0\)c0 (fixed in 2.90\(aahi.0\)c0)

Published 2024-11-12. Last modified 2026-06-17.