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Gs1900 8 Firmware CVE-2024-8882

MEDIUM
Classic Buffer Overflow (CWE-120)
2024-11-12 security@zyxel.com.tw
Zyxel Buffer Overflow Denial Of Service Gs1900 8 Firmware Gs1900 8Hp Firmware Gs1900 10Hp Firmware Gs1900 16 Firmware Gs1900 24 Firmware Gs1900 24E Firmware Gs1900 24Ep Firmware Gs1900 24Hpv2 Firmware Gs1900 48 Firmware Gs1900 48Hpv2 Firmware
4.5
CVSS 3.1 · Vendor: zyxel
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Severity by source

Vendor (zyxel) PRIMARY
4.5 MEDIUM
AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Primary rating from Vendor (zyxel) · only source for this CVE.

CVSS VectorVendor: zyxel

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Nov 12, 2024 - 02:15 cve.org
MEDIUM 4.5

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 4.5), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. 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. Affected products include: Zyxel Gs1900-8 Firmware, Zyxel Gs1900-8Hp Firmware, Zyxel Gs1900-10Hp Firmware, Zyxel Gs1900-16 Firmware, Zyxel Gs1900-24 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

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Same weakness CWE-120 – Classic Buffer Overflow

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Same technique Buffer Overflow

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CVE-2024-8882 vulnerability details – vuln.today
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