How to fix CVE-2025-3249?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

Is Command Injection affected by CVE-2025-3249?

Organizations using A vulnerability classified as critical should be aware of moderate risk from CVE-2025-3249, a injection vulnerability rated CVSS 5.3. Exploitation could allow attackers to execute code or inject malicious input. Proof-of-concept code is publicly available.

CVE-2025-3249

MEDIUM

2025-04-04 [email protected]

5.3

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:35 vuln.today

PoC Detected

May 28, 2025 - 15:15 vuln.today

Public exploit code

CVE Published

Apr 04, 2025 - 14:15 nvd

MEDIUM 5.3

Description

A vulnerability classified as critical was found in TOTOLINK A6000R 1.0.1-B20201211.2000. Affected by this vulnerability is the function apcli_cancel_wps of the file /usr/lib/lua/luci/controller/mtkwifi.lua. The manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Analysis

A vulnerability classified as critical was found in TOTOLINK A6000R 1.0.1-B20201211.2000. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified under CWE-74. A vulnerability classified as critical was found in TOTOLINK A6000R 1.0.1-B20201211.2000. Affected by this vulnerability is the function apcli_cancel_wps of the file /usr/lib/lua/luci/controller/mtkwifi.lua. The manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Affected products include: Totolink A6000R Firmware.

Affected Products

Totolink A6000R Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +7.2

CVSS: +26

POC: +20

CVE-2025-3249 vulnerability details – vuln.today

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CVE-2025-3249

CVSS Vector

Lifecycle Timeline

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Analysis

Technical Context

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CVE-2025-3249

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code