CVE-2025-14964: TOTOLINK T10 cstecgi.cgi sprintf stack-based overflow

Published Dec 19, 2025
·
Updated

A vulnerability has been found in TOTOLINK T10 4.1.8cu.5083B20200521. This affects the function sprintf of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument loginAuthUrl leads to stack-based buffer overflow. The attack may be performed from remote.

Affected Software

3 affected components
TOTOLINK T10
All of the following
TOTOLINK T10 Firmware=4.1.8cu.5803_b20200521
TOTOLINK T10

Event History

Dec 19, 2025
CVE Published
via MITRE·07:02 PM
Data Sourced
via MITRE·07:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-14964?

CVE-2025-14964 is classified as a critical vulnerability due to the potential for remote execution through a stack-based buffer overflow.

2

How do I fix CVE-2025-14964?

To fix CVE-2025-14964, update the TOTOLINK T10 firmware to the latest available version provided by the manufacturer.

3

Who is affected by CVE-2025-14964?

CVE-2025-14964 affects users of the TOTOLINK T10 router running firmware version 4.1.8cu.5083_B20200521.

4

What type of vulnerability is CVE-2025-14964?

CVE-2025-14964 is a stack-based buffer overflow vulnerability that can be exploited remotely.

5

Can CVE-2025-14964 be exploited without local access?

Yes, CVE-2025-14964 can be exploited remotely, allowing attackers to execute malicious code without local access.

Contact

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