Which versions of M3 Firmware are affected by CVE-2025-9299?

Organizations using A vulnerability face moderate risk from CVE-2025-9299, a buffer overflow vulnerability rated CVSS 7.4.

Is there a public PoC exploit available for CVE-2025-9299?

Yes, a public proof-of-concept exploit is available for CVE-2025-9299. Prioritise patching immediately. EPSS: 0.5%.

How to fix or mitigate CVE-2025-9299?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

M3 Firmware CVE-2025-9299

Q: What is the CVSS score of CVE-2025-9299?

CVE-2025-9299 has a CVSS 4.0 base score of 7.4 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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: 0.5%.

HIGH

Buffer Overflow (CWE-119)

2025-08-21 cna@vuldb.com

Buffer Overflow Tenda M3 Firmware

7.4

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

7.4 HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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 - 19:08 vuln.today

PoC Detected

Aug 25, 2025 - 02:00 vuln.today

Public exploit code

CVE Published

Aug 21, 2025 - 13:15 nvd

HIGH 7.4

DescriptionCVE.org

A vulnerability has been found in Tenda M3 1.0.0.12. Affected by this vulnerability is the function formGetMasterPassengerAnalyseData of the file /goform/getMasterPassengerAnalyseData. The manipulation of the argument Time leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

A vulnerability has been found in Tenda M3 1.0.0.12. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. A vulnerability has been found in Tenda M3 1.0.0.12. Affected by this vulnerability is the function formGetMasterPassengerAnalyseData of the file /goform/getMasterPassengerAnalyseData. The manipulation of the argument Time leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Affected products include: Tenda M3 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.