CVE-2024-8881

6.8 mediumEPSS 0.7%

Medium (6.8) in zyxel. 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.

Severity

CVSS 3.1

6.8 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2024-11-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zyxel:gs1900-10hp_firmware
zyxel:gs1900-16_firmware
zyxel:gs1900-24_firmware
zyxel:gs1900-24e_firmware
zyxel:gs1900-24ep_firmware
zyxel:gs1900-24hpv2_firmware
zyxel:gs1900-48_firmware
zyxel:gs1900-48hpv2_firmware
zyxel:gs1900-8_firmware
zyxel:gs1900-8hp_firmware

References

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

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