CVE-2024-8881

MEDIUM

Zyxel GS1900 Series Firmware < 2.90 - Authenticated OS Command Injection via CGI Program

Title source: llm

Description

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-and-buffer-overflow-vulnerabilities-in-gs1900-series-switches-11-12-2024

Scores

CVSS v3 6.8

EPSS 0.0017

EPSS Percentile 37.5%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-78

Status published

Products (10)

zyxel/gs1900-10hp_firmware < 2.90\(aazi.0\)c0

zyxel/gs1900-16_firmware < 2.90\(aahj.0\)c0

zyxel/gs1900-24_firmware < 2.90\(aahl.0\)c0

zyxel/gs1900-24e_firmware < 2.90\(aahk.0\)c0

zyxel/gs1900-24ep_firmware < 2.90\(abto.0\)c0

zyxel/gs1900-24hpv2_firmware < 2.90\(abtp.0\)c0

zyxel/gs1900-48_firmware < 2.90\(aahn.0\)c0

zyxel/gs1900-48hpv2_firmware < 2.90\(abtq.0\)c0

zyxel/gs1900-8_firmware < 2.90\(aahh.0\)c0

zyxel/gs1900-8hp_firmware < 2.90\(aahi.0\)c0

Published Nov 12, 2024

Tracked Since Feb 18, 2026