How to fix CVE-2025-45798?

Within 24 hours: Identify all affected systems running the TOTOLINK A950RG and apply vendor patches immediately. Validate that input sanitization is in place for all user-controlled parameters.

Is Command Injection affected by CVE-2025-45798?

Organizations using the TOTOLINK A950RG face critical risk from CVE-2025-45798, a command injection vulnerability rated CVSS 9.8. Successful exploitation could allow attackers to execute arbitrary code or commands on affected systems, potentially leading to full system compromise.

CVE-2025-45798

CRITICAL

2025-05-08 [email protected]

9.8

CVSS 3.1

CVSS Vector

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

Analysis Generated

Mar 28, 2026 - 18:40 vuln.today

PoC Detected

May 19, 2025 - 15:08 vuln.today

Public exploit code

CVE Published

May 08, 2025 - 20:15 nvd

CRITICAL 9.8

Description

A command execution vulnerability exists in the TOTOLINK A950RG V4.1.2cu.5204_B20210112. The vulnerability is located in the setNoticeCfg interface within the /lib/cste_modules/system.so library, specifically in the processing of the IpTo parameter.

Analysis

A command execution vulnerability exists in the TOTOLINK A950RG V4.1.2cu.5204_B20210112. 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 Context

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. A command execution vulnerability exists in the TOTOLINK A950RG V4.1.2cu.5204_B20210112. The vulnerability is located in the setNoticeCfg interface within the /lib/cste_modules/system.so library, specifically in the processing of the IpTo parameter. Affected products include: Totolink A950Rg Firmware.

Affected Products

Totolink A950Rg Firmware.

Remediation

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.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1.0

CVSS: +49

POC: +20

CVE-2025-45798 vulnerability details – vuln.today

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CVE-2025-45798

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CVE-2025-45798

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Lifecycle Timeline

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Description

Analysis

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