How to fix CVE-2025-44877?

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

Is Command Injection affected by CVE-2025-44877?

Organizations using Tenda AC9 V15.03.06.42_multi face critical risk from CVE-2025-44877, 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-2025-44877

CRITICAL

2025-05-02 [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 - 18:39 vuln.today

PoC Detected

May 27, 2025 - 14:21 vuln.today

Public exploit code

CVE Published

May 02, 2025 - 15:15 nvd

CRITICAL 9.8

Description

Tenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formSetSambaConf function via the usbname parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Analysis

Tenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formSetSambaConf function via the usbname parameter. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 12.5%.

Technical Context

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. Tenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formSetSambaConf function via the usbname parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request. Affected products include: Tenda Ac9 Firmware.

Affected Products

Tenda Ac9 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: +12.5

CVSS: +49

POC: +20

CVE-2025-44877 vulnerability details – vuln.today

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CVE-2025-44877

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CVE-2025-44877

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Lifecycle Timeline

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Description

Analysis

Technical Context

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