How to fix CVE-2025-29385?

Within 24 hours: Identify all affected systems running Tenda AC9 and apply vendor patches immediately. If patching is delayed, consider network segmentation to limit exposure.

Is Memory Corruption affected by CVE-2025-29385?

Organizations using Tenda AC9 face critical risk from CVE-2025-29385, a out-of-bounds write vulnerability rated CVSS 9.8. Exploitation could allow attackers to corrupt memory, crash the application, or potentially execute arbitrary code.

CVE-2025-29385

CRITICAL

2025-03-14 [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 - 18:31 vuln.today

PoC Detected

Mar 19, 2025 - 19:15 vuln.today

Public exploit code

CVE Published

Mar 14, 2025 - 17:15 nvd

CRITICAL 9.8

Description

In Tenda AC9 v1.0 V15.03.05.14_multi, the cloneType parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote arbitrary code execution.

Analysis

In Tenda AC9 v1.0 V15.03.05.14_multi, the cloneType parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote arbitrary code execution. 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 Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. In Tenda AC9 v1.0 V15.03.05.14_multi, the cloneType parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote arbitrary code execution. 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. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1.1

CVSS: +49

POC: +20

CVE-2025-29385 vulnerability details – vuln.today

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CVE-2025-29385

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CVE-2025-29385

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