What is the CVSS score of CVE-2025-44877?

CVE-2025-44877 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 12.5%.

Which versions of Ac9 Firmware are 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.

Is there a public PoC exploit available for CVE-2025-44877?

Yes, a public proof-of-concept exploit is available for CVE-2025-44877. Prioritise patching immediately. EPSS: 12.5%.

How to fix or mitigate 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.

Ac9 Firmware CVE-2025-44877

CRITICAL

Command Injection (CWE-77)

2025-05-02 cve@mitre.org

Command Injection Tenda Ac9 Firmware

9.8

CVSS 3.1 · NVD

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

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

DescriptionCVE.org

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.

AnalysisAI

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 ContextAI

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.

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.

CVE-2025-44877 vulnerability details – vuln.today

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Ac9 Firmware CVE-2025-44877

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code