CVE-2025-28021: Buffer Overflow

Published Apr 23, 2025
·
Updated

TOTOLINK A810R V4.1.2cu.5182B20201026 was found to contain a buffer overflow vulnerability in the downloadFile.cgi through the v14 and v3 parameters

Affected Software

3 affected components
TOTOLINK A810R
All of the following
TOTOLINK A810r Firmware=4.1.2cu.5182_b20201026
TOTOLINK A810R

Event History

Apr 23, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-28021?

CVE-2025-28021 is categorized as a high severity vulnerability due to its potential to allow remote code execution on affected devices.

2

How do I fix CVE-2025-28021?

To fix CVE-2025-28021, users should update their TOTOLINK A810R firmware to the latest patched version released by the manufacturer.

3

What causes CVE-2025-28021?

CVE-2025-28021 is caused by a buffer overflow vulnerability in the downloadFile.cgi script when processing the v14 and v3 parameters.

4

Which devices are affected by CVE-2025-28021?

CVE-2025-28021 affects devices running TOTOLINK A810R firmware version V4.1.2cu.5182_B20201026 and possibly earlier versions.

5

What is the potential impact of CVE-2025-28021?

The potential impact of CVE-2025-28021 includes unauthorized remote access and execution of arbitrary code on vulnerable devices.

Company

Resources

Contact

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