CVE-2025-25667

CRITICAL
2025-02-20 [email protected]
9.8
CVSS 3.1
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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

3
Analysis Generated
Mar 28, 2026 - 18:27 vuln.today
PoC Detected
Mar 17, 2025 - 17:00 vuln.today
Public exploit code
CVE Published
Feb 20, 2025 - 23:15 nvd
CRITICAL 9.8

Tags

Tenda Buffer Overflow Ac8 Firmware

Description

Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the urls parameter in the function get_parentControl_list_Info.

Analysis

Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the urls parameter in the function get_parentControl_list_Info. 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 Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the urls parameter in the function get_parentControl_list_Info. Affected products include: Tenda Ac8 Firmware.

Affected Products

Tenda Ac8 Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

Priority Score

69
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +49
POC: +20

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CVE-2025-25667 vulnerability details – vuln.today
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