CVE-2025-6143: TOTOLINK EX1200T HTTP POST Request formNtp buffer overflow

Published Jun 16, 2025
·
Updated

A vulnerability, which was classified as critical, was found in TOTOLINK EX1200T 4.1.2cu.5232B20210713. Affected is an unknown function of the file /boafrm/formNtp of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected Software

3 affected components
TOTOLINK EX1200T
All of the following
TOTOLINK EX1200T firmware=4.1.2cu.5232_b20210713
TOTOLINK EX1200T

Event History

Jun 16, 2025
CVE Published
via MITRE·10:31 PM
Data Sourced
via MITRE·10:31 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:15 PM
DescriptionSeverityWeaknessAffected Software
Jul 18, 57452
Event
via FIRST·02:11 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-6143?

CVE-2025-6143 has been classified as a critical vulnerability.

2

How does CVE-2025-6143 affect the TOTOLINK EX1200T?

CVE-2025-6143 affects the HTTP POST Request Handler, allowing for buffer overflow via manipulation of the submit-url argument.

3

What are the consequences of exploiting CVE-2025-6143?

Exploitation of CVE-2025-6143 can lead to system crashes or potential remote code execution.

4

How do I fix CVE-2025-6143?

To fix CVE-2025-6143, it is recommended to update the TOTOLINK EX1200T firmware to the latest version that addresses this vulnerability.

5

Can CVE-2025-6143 be mitigated without a firmware update?

While a firmware update is the primary solution for CVE-2025-6143, configuring the device securely and limiting external access can offer temporary protection.

Contact

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