CVE-2025-25343

CRITICAL
2025-02-12 [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 - 18:26 vuln.today
PoC Detected
Mar 05, 2025 - 19:15 vuln.today
Public exploit code
CVE Published
Feb 12, 2025 - 19:15 nvd
CRITICAL 9.8

Tags

Tenda Buffer Overflow Ac6 Firmware

Description

Tenda AC6 V15.03.05.16 firmware has a buffer overflow vulnerability in the formexeCommand function.

Analysis

Tenda AC6 V15.03.05.16 firmware has a buffer overflow vulnerability in the formexeCommand function. 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 AC6 V15.03.05.16 firmware has a buffer overflow vulnerability in the formexeCommand function. Affected products include: Tenda Ac6 Firmware.

Affected Products

Tenda Ac6 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-2025-25343 vulnerability details – vuln.today
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