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CVE-2023-28768

Quick assessment

Affected
Zyxel XGS2220-30 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 XGS2220-30是中国合勤（Zyxel）公司的一款交换机设备。 Zyxel XGS2220-30 固件版本 V4.80(ABXN.1)、XMG1930-30 固件版本 V4.80(ACAR.1) 和 XS1930-10 固件版本 V4.80(ABQE.1)存在安全漏洞，该漏洞源于帧处理不当，攻击者利用该漏洞可以通过向受影响的交换机发送精心设计的帧来造成拒绝服务 (DoS) 。

CVSS 6.5 · Medium EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-28768

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper frame handling in the Zyxel XGS2220-30 firmware version V4.80(ABXN.1), XMG1930-30 firmware version V4.80(ACAR.1), and XS1930-10 firmware version V4.80(ABQE.1) could allow an unauthenticated LAN-based attacker to cause denial-of-service (DoS) conditions by sending crafted frames to an affected switch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件的处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel XGS2220-30 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel XGS2220-30是中国合勤（Zyxel）公司的一款交换机设备。 Zyxel XGS2220-30 固件版本 V4.80(ABXN.1)、XMG1930-30 固件版本 V4.80(ACAR.1) 和 XS1930-10 固件版本 V4.80(ABQE.1)存在安全漏洞，该漏洞源于帧处理不当，攻击者利用该漏洞可以通过向受影响的交换机发送精心设计的帧来造成拒绝服务 (DoS) 。
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 XGS2220-30 firmware V4.80(ABXN.1) -
Zyxel XMG1930-30 firmware V4.80(ACAR.1) -
Zyxel XS1930-10 firmware V4.80(ABQE.1) -

II. Public POCs for CVE-2023-28768

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III. Intelligence Information for CVE-2023-28768

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Other References for CVE-2023-28768 (1)

IV. Related Vulnerabilities

Same vendor: Zyxel
Same weakness: CWE-755

V. Comments for CVE-2023-28768

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