CVE-2025-12211: Tenda O3 setDmzInfo GetValue stack-based overflow

Published Oct 27, 2025
·
Updated

A security flaw has been discovered in Tenda O3 1.0.0.10(2478). Affected by this issue is the function SetValue/GetValue of the file /goform/setDmzInfo. The manipulation of the argument dmzIP results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Affected Software

3 affected components
Tenda O3
All of the following
Tenda O3 Firmware1.0.0.10\(2478\)
Tenda O3=2.0

Event History

Oct 27, 2025
CVE Published
via MITRE·03:32 AM
Data Sourced
via MITRE·03:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 AM
DescriptionSeverityWeaknessAffected Software
Nov 8, 57792
Event
via NVD·04:51 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-12211?

CVE-2025-12211 has a high severity level due to its potential for remote exploitation via a stack-based buffer overflow.

2

How do I fix CVE-2025-12211?

To fix CVE-2025-12211, update the Tenda O3 device firmware to the latest version provided by the vendor.

3

What types of devices are impacted by CVE-2025-12211?

CVE-2025-12211 specifically affects Tenda O3 devices running version 1.0.0.10(2478).

4

Can CVE-2025-12211 be exploited remotely?

Yes, CVE-2025-12211 can be exploited remotely due to its stack-based buffer overflow vulnerability.

5

What are the potential consequences of CVE-2025-12211?

Exploitation of CVE-2025-12211 can lead to arbitrary code execution and potential unauthorized access to the device.

Contact

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