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Vulnerability record · CVE-2024-8882 · published 12 November 2024

CVE-2024-8882: Zyxel gs1900-8 firmware classic buffer overflow vulnerability

Zyxel · Gs1900 8 Firmware

A buffer overflow 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 cause denial of service (DoS) conditions via a crafted URL.

4.5 CVSS 3.1 Medium EPSS 0.25% · top 85.6% CWE-120 · Classic buffer overflow
4.5CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

A buffer overflow 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 cause denial of service (DoS) conditions via a crafted URL.

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

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-inje Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2026-7273Zyxel gs1900-8 firmware stack-based buffer overflow vulnerabilityA stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-base…KEVEPSS 2.5%9.8CVE-2019-15800Zyxel gs1900-8 firmware os command injection vulnerabilityAn issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Due to lack of input validation in the cmd_sys_traceroute_exec()…EPSS 3.9%9.8CVE-2016-1329Samsung x14j firmware improper authentication vulnerabilityCisco NX-OS 6.0(2)U6(1) through 6.0(2)U6(5) on Nexus 3000 devices and 6.0(2)A6(1) through 6.0(2)A6(5) and 6.0(2)A7(1) on Nexus 3500 devices has hardc…EPSS 3.7%9.8CVE-2015-5989Zyxel gs1900-10hp firmware permissions and access controls vulnerabilityBelkin F9K1102 2 devices with firmware 2.10.17 rely on client-side JavaScript code for authorization, which allows remote attackers to obtain adminis…EPSS 2.8%9.8CVE-2015-5988Zyxel gs1900-10hp firmware vulnerabilityThe web management interface on Belkin F9K1102 2 devices with firmware 2.10.17 has a blank password, which allows remote attackers to obtain administ…EPSS 2.7%9.1CVE-2019-15803Zyxel gs1900-8 firmware improper authentication vulnerabilityAn issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Through an undocumented sequence of keypresses, undocumented fun…EPSS 1.3%8.8CVE-2019-15799Zyxel gs1900-8 firmware improper privilege management vulnerabilityAn issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. User accounts created through the web interface of the device, w…EPSS 2.3%8.8CVE-2016-1302Samsung x14j firmware improper access control vulnerabilityCisco Application Policy Infrastructure Controller (APIC) devices with software before 1.0(3h) and 1.1 before 1.1(1j) and Nexus 9000 ACI Mode switche…EPSS 2.2%

Source: NIST National Vulnerability Database (record CVE-2024-8882), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.