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CVE-2018-7920

Quick assessment

Affected
Huawei Technologies Co., Ltd. AR1200, AR160, AR200, AR2200, AR3200
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.

Huawei AR1200等都是中国华为（Huawei）公司的企业级路由器设备。 多款Huawei产品中存在资源管理错误漏洞，该漏洞源于ACL机制实现不当。远程攻击者可通过向管理接口发送TCP请求利用该漏洞造成拒绝服务（管理接口的socket资源耗尽）。以下产品和版本受到影响：Huawei AR1200 V200R006C10SPC300版本；AR160 V200R006C10SPC300版本；AR200 V200R006C10SPC300版本；AR2200 V200R006C10SPC300版本；AR3

AI Predicted 6.5 Difficulty: Easy EPSS 0.87% · P57

Possible ATT&CK Techniques 1 AI

T1598 · Phishing for Information
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I. Basic Information for CVE-2018-7920

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Huawei AR1200 V200R006C10SPC300, AR160 V200R006C10SPC300, AR200 V200R006C10SPC300, AR2200 V200R006C10SPC300, AR3200 V200R006C10SPC300 devices have an improper resource management vulnerability. Due to the improper implementation of ACL mechanism, a remote attacker may send TCP messages to the management interface of the affected device to exploit this vulnerability. Successful exploit could exhaust the socket resource of management interface, leading to a DoS condition.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Huawei产品资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Huawei AR1200等都是中国华为（Huawei）公司的企业级路由器设备。 多款Huawei产品中存在资源管理错误漏洞，该漏洞源于ACL机制实现不当。远程攻击者可通过向管理接口发送TCP请求利用该漏洞造成拒绝服务（管理接口的socket资源耗尽）。以下产品和版本受到影响：Huawei AR1200 V200R006C10SPC300版本；AR160 V200R006C10SPC300版本；AR200 V200R006C10SPC300版本；AR2200 V200R006C10SPC300版本；AR3
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
Huawei Technologies Co., Ltd. AR1200, AR160, AR200, AR2200, AR3200 V200R006C10SPC300, V200R006C10SPC300, V200R006C10SPC300, V200R006C10SPC300, V200R006C10SPC300 -

II. Public POCs for CVE-2018-7920

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III. Intelligence Information for CVE-2018-7920

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Other References for CVE-2018-7920 (1)

Same Patch Batch · Huawei Technologies Co., Ltd. · 2018-04-19 · 4 CVEs total

CVE-2017-17310 多款Huawei产品Electronic Numbers to URI Mapping模块安全漏洞
CVE-2017-17313 Huawei P9 Lite inputhub驱动程序缓冲区错误漏洞
CVE-2018-7899 Huawei Berkeley-AL20和Berkeley-BD Mali驱动程序安全漏洞

IV. Related Vulnerabilities

Same vendor: Huawei Technologies Co., Ltd.

V. Comments for CVE-2018-7920

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