Which versions of A6000R Firmware are 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.

Is there a public PoC exploit available for CVE-2025-3249?

Yes, a public proof-of-concept exploit is available for CVE-2025-3249. Prioritise patching immediately. EPSS: 7.2%.

How to fix or mitigate 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.

A6000R Firmware CVE-2025-3249

Q: What is the CVSS score of CVE-2025-3249?

CVE-2025-3249 has a CVSS 4.0 base score of 5.3 (Medium). CVSS vector: 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. EPSS exploitation probability: 7.2%.

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2025-04-04 cna@vuldb.com

Command Injection A6000R Firmware TOTOLINK

5.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionCVE.org

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.

AnalysisAI

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 ContextAI

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.

RemediationAI

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.

CVE-2025-3249 vulnerability details – vuln.today

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