CVE-2025-12212: Tenda O3 setNetworkService GetValue stack-based overflow

Published Oct 27, 2025
·
Updated

A weakness has been identified in Tenda O3 1.0.0.10(2478). This affects the function SetValue/GetValue of the file /goform/setNetworkService. This manipulation of the argument upnpEn causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could 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
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Frequently Asked Questions

1

What is the severity of CVE-2025-12212?

CVE-2025-12212 is classified as a high-severity vulnerability due to its potential for remote exploitation via buffer overflow.

2

How do I fix CVE-2025-12212?

To fix CVE-2025-12212, users should update the Tenda O3 firmware to the latest available version that addresses this vulnerability.

3

What systems are affected by CVE-2025-12212?

CVE-2025-12212 affects the Tenda O3 version 1.0.0.10(2478) specifically.

4

Can CVE-2025-12212 be exploited remotely?

Yes, CVE-2025-12212 can be exploited remotely, allowing attackers to initiate buffer overflow attacks from outside the network.

5

What type of vulnerability is CVE-2025-12212?

CVE-2025-12212 is a stack-based buffer overflow vulnerability impacting the SetValue/GetValue functions in Tenda O3.

Contact

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