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CVE-2024-38268

Quick assessment

Affected
Zyxel VMG8825-T50K firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel VMG8825-T50K是中国合勤（Zyxel）公司的一款互联网接入设备。 Zyxel VMG8825-T50K 5.50(ABOM.8)C0版本及之前版本存在缓冲区错误漏洞，该漏洞源于MAC地址解析器对内存缓冲区范围内的操作进行不适当的限制。具有管理员权限的经过身份验证的攻击者利用该漏洞可以造成潜在的内存损坏，从而导致受影响设备上的线程崩溃。

CVSS 4.9 · Medium EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-38268

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An improper restriction of operations within the bounds of a memory buffer in the MAC address parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions, resulting in a thread crash on an affected device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel VMG8825-T50K 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel VMG8825-T50K是中国合勤（Zyxel）公司的一款互联网接入设备。 Zyxel VMG8825-T50K 5.50(ABOM.8)C0版本及之前版本存在缓冲区错误漏洞，该漏洞源于MAC地址解析器对内存缓冲区范围内的操作进行不适当的限制。具有管理员权限的经过身份验证的攻击者利用该漏洞可以造成潜在的内存损坏，从而导致受影响设备上的线程崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zyxel VMG8825-T50K firmware <= 5.50(ABOM.8)C0 -

II. Public POCs for CVE-2024-38268

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III. Intelligence Information for CVE-2024-38268

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Vendor Advisories for CVE-2024-38268 (1)

Same Patch Batch · Zyxel · 2024-09-24 · 4 CVEs total

CVE-2024-38269 4.9 MEDIUM Zyxel VMG8825-T50K 缓冲区错误漏洞
CVE-2024-38267 4.9 MEDIUM Zyxel VMG8825-T50K 缓冲区错误漏洞
CVE-2024-38266 4.9 MEDIUM Zyxel VMG8825-T50K 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: VMG8825-T50K firmware
Same vendor: Zyxel
Same weakness: CWE-119

V. Comments for CVE-2024-38268

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