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Wifi Repeater Firmware CVE-2017-13713

HIGH
OS Command Injection (CWE-78)
2017-09-07 cve@mitre.org
RCE Command Injection Wifi Repeater Firmware
8.8
CVSS 3.0 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Sep 07, 2017 - 13:29 cve.org
HIGH 8.8

DescriptionCVE.org

T&W WIFI Repeater BE126 allows remote authenticated users to execute arbitrary code via shell metacharacters in the user parameter to cgi-bin/webupg.

AnalysisAI

T&W WIFI Repeater BE126 allows remote authenticated users to execute arbitrary code via shell metacharacters in the user parameter to cgi-bin/webupg. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. T&W WIFI Repeater BE126 allows remote authenticated users to execute arbitrary code via shell metacharacters in the user parameter to cgi-bin/webupg. Affected products include: Twsz Wifi Repeater Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

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CVE-2017-8770 HIGH POC
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There is LFD (local file disclosure) on BE126 WIFI repeater 1.0 devices that allows attackers to read the entire filesys
CVE-2022-34571 HIGH POC
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An access control issue in Wavlink WiFi-Repeater RPTA2-77W.M4300.01.GD.2017Sep19 allows attackers to obtain the system k
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An access control issue in Wavlink WiFi-Repeater RPTA2-77W.M4300.01.GD.2017Sep19 allows attackers to arbitrarily configu
CVE-2017-8771 CRITICAL
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On BE126 WIFI repeater 1.0 devices, an attacker can log into telnet (which is open by default) with default credentials

CVE-2017-8772 CRITICAL
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On BE126 WIFI repeater 1.0 devices, an attacker can log into telnet (which is open by default) with default credentials

CVE-2022-34575 MEDIUM POC
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An access control issue in Wavlink WiFi-Repeater RPTA2-77W.M4300.01.GD.2017Sep19 allows attackers to obtain the key info
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An access control issue in Wavlink WiFi-Repeater RPTA2-77W.M4300.01.GD.2017Sep19 allows attackers to obtain the key info
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5.7 Jul 25

An access control issue in Wavlink WiFi-Repeater RPTA2-77W.M4300.01.GD.2017Sep19 allows attackers to obtain the telnet p

Same weakness CWE-78 – OS Command Injection

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CVE-2017-13713 vulnerability details – vuln.today
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