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X18 Firmware CVE-2025-29209

CRITICAL
Command Injection (CWE-77)
2025-04-18 cve@mitre.org
Command Injection X18 Firmware TOTOLINK
9.8
CVSS 3.1
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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

3
Analysis Generated
Mar 28, 2026 - 18:37 vuln.today
PoC Detected
Apr 29, 2025 - 16:23 vuln.today
Public exploit code
CVE Published
Apr 18, 2025 - 15:15 nvd
CRITICAL 9.8

DescriptionNVD

TOTOLINK X18 v9.1.0cu.2024_B20220329 has an unauthorized arbitrary command execution in the enable parameter' of the sub_41105C function of cstecgi .cgi.

AnalysisAI

TOTOLINK X18 v9.1.0cu.2024_B20220329 has an unauthorized arbitrary command execution in the enable parameter' of the sub_41105C function of 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 X18 v9.1.0cu.2024_B20220329 has an unauthorized arbitrary command execution in the enable parameter' of the sub_41105C function of cstecgi .cgi. Affected products include: Totolink X18 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.

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CVE-2025-29209 vulnerability details – vuln.today
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