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Ex1800T Firmware CVE-2023-51014

CRITICAL
Command Injection (CWE-77)
2023-12-22 cve@mitre.org
Command Injection Ex1800T Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Dec 22, 2023 - 19:15 nvd
CRITICAL 9.8

DescriptionNVD

TOTOLINK EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanSecDns parameter’ of the setLanConfig interface of the cstecgi .cgi

AnalysisAI

TOTOLINK EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanSecDns parameter’ of the setLanConfig interface of the cstecgi .cgi. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. TOTOLINK EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanSecDns parameter’ of the setLanConfig interface of the cstecgi .cgi Affected products include: Totolink Ex1800T Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

More in Ex1800T Firmware

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CVE-2023-52026 CRITICAL POC
9.8 Jan 12

TOTOlink EX1800T V9.1.0cu.2112_B20220316 was discovered to contain a remote command execution (RCE) vulnerability via th
CVE-2024-34257 CRITICAL POC
9.8 May 08

TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized e
CVE-2023-51022 CRITICAL POC
9.8 Dec 22

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘langFlag’ par
CVE-2023-51021 CRITICAL POC
9.8 Dec 22

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘merge’ parame
CVE-2023-51020 CRITICAL POC
9.8 Dec 22

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘langType’ par
CVE-2023-51019 CRITICAL POC
9.8 Dec 22

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘key5g’ parame
CVE-2023-51018 CRITICAL POC
9.8 Dec 22

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘opmode’ param
CVE-2023-51017 CRITICAL POC
9.8 Dec 22

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanIp paramete
CVE-2023-51016 CRITICAL POC
9.8 Dec 22

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the setRebootScheC
CVE-2023-51015 CRITICAL POC
9.8 Dec 22

TOTOLINX EX1800T v9.1.0cu.2112_B20220316 is vulnerable to arbitrary command execution in the ‘enable parameter’ of the s
CVE-2023-51013 CRITICAL POC
9.8 Dec 22

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanNetmask par
CVE-2023-51012 CRITICAL POC
9.8 Dec 22

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanGateway par

Same weakness CWE-77 – Command Injection

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Same technique Command Injection

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CVE-2012-1823 CRITICAL POC
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CVE-2016-1555 CRITICAL POC
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CVE-2014-6271 CRITICAL POC
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CVE-2017-6334 HIGH POC
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CVE-2024-50603 CRITICAL POC
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CVE-2025-64328 HIGH POC
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CVE-2023-51014 vulnerability details – vuln.today
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