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CVE-2024-39815— Vonets WiFi Bridges Improper Check or Handling of Exceptional Conditions

Quick assessment

Affected
Vonets VAR1200-H
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.

Vonets是中国后天（Vonets）公司的一系列无线中继器的驱动软件。 Vonets 3.3.23.6.9版本及之前版本存在安全漏洞，该漏洞源于对异常情况的检查或处理不当，可使未经身份验证的远程攻击者造成拒绝服务，对预身份验证资源发出特制的HTTP请求可能会导致服务崩溃。

CVSS 9.1 · Critical EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-39815

Vulnerability Information
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Vulnerability Title
Vonets WiFi Bridges Improper Check or Handling of Exceptional Conditions
Source: CVE Program / CVE List V5
Vulnerability Description
Improper check or handling of exceptional conditions vulnerability affecting Vonets industrial wifi bridge relays and wifi bridge repeaters, software versions 3.3.23.6.9 and prior, enable an unauthenticated remote attacker to cause a denial of service. A specially-crafted HTTP request to pre-authentication resources can crash the service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件检查或处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Vonets 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vonets是中国后天（Vonets）公司的一系列无线中继器的驱动软件。 Vonets 3.3.23.6.9版本及之前版本存在安全漏洞，该漏洞源于对异常情况的检查或处理不当，可使未经身份验证的远程攻击者造成拒绝服务，对预身份验证资源发出特制的HTTP请求可能会导致服务崩溃。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Vonets VAR1200-H 0 ~ 3.3.23.6.9 -
Vonets VAR1200-L 0 ~ 3.3.23.6.9 -
Vonets VAR600-H 0 ~ 3.3.23.6.9 -
Vonets VAP11AC 0 ~ 3.3.23.6.9 -
Vonets VAP11G-500S 0 ~ 3.3.23.6.9 -
Vonets VBG1200 0 ~ 3.3.23.6.9 -
Vonets VAP11S-5G 0 ~ 3.3.23.6.9 -
Vonets VAP11S 0 ~ 3.3.23.6.9 -
Vonets VAR11N-300 0 ~ 3.3.23.6.9 -
Vonets VAP11G-300 0 ~ 3.3.23.6.9 -
Vonets VAP11N-300 0 ~ 3.3.23.6.9 -
Vonets VAP11G 0 ~ 3.3.23.6.9 -
Vonets VAP11G-500 0 ~ 3.3.23.6.9 -
Vonets VBG1200 0 ~ 3.3.23.6.9 -
Vonets VAP11AC 0 ~ 3.3.23.6.9 -
Vonets VGA-1000 0 ~ 3.3.23.6.9 -

II. Public POCs for CVE-2024-39815

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III. Intelligence Information for CVE-2024-39815

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Vendor Advisories for CVE-2024-39815 (1)

Same Patch Batch · Vonets · 2024-08-08 · 7 CVEs total

CVE-2024-39791 10.0 CRITICAL Vonets WiFi Bridges Stack-based Buffer Overflow
CVE-2024-37023 9.1 CRITICAL Vonets WiFi Bridges Command Injection
CVE-2024-29082 8.6 HIGH Vonets WiFi Bridges Improper Access Control
CVE-2024-42001 8.6 HIGH Vonets WiFi Bridges Forced Browsing
CVE-2024-41161 7.5 HIGH Vonets WiFi Bridges Use of Hard-coded Credentials
CVE-2024-41936 7.5 HIGH Vonets WiFi Bridges Path Traversal

IV. Related Vulnerabilities

Same product: VAR1200-H
Same vendor: Vonets
Same weakness: CWE-703

V. Comments for CVE-2024-39815

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