CVE-2025-71023

HIGH
2026-01-13 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 20, 2026 - 18:04 vuln.today
Public exploit code
CVE Published
Jan 13, 2026 - 16:16 nvd
HIGH 7.5

Tags

Stack Overflow Denial Of Service Ax3 Firmware Tenda

Description

Tenda AX-3 v16.03.12.10_CN was discovered to contain a stack overflow in the mac2 parameter of the fromAdvSetMacMtuWan function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Analysis

Tenda AX-3 v16.03.12.10_CN was discovered to contain a stack overflow in the mac2 parameter of the fromAdvSetMacMtuWan function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request. [CVSS 7.5 HIGH]

Technical Context

Classified as CWE-121 (Stack-based Buffer Overflow). Affects the a stack overflow in the mac2 component of Ax3 Firmware. Tenda AX-3 v16.03.12.10_CN was discovered to contain a stack overflow in the mac2 parameter of the fromAdvSetMacMtuWan function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Affected Products

Vendor: Tenda. Product: Ax3 Firmware. Versions: up to 16.03.12.10_cn. Component: a stack overflow in the mac2.

Remediation

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +38
POC: +20

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CVE-2025-71023 vulnerability details – vuln.today
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