CVE-2025-4833: TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formNtp buffer overflow

Published May 17, 2025
·
Updated

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615 and classified as critical. This issue affects some unknown processing of the file /boafrm/formNtp of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected Software

9 affected components
TOTOLINK A702R
TOTOLINK A3002R
TOTOLINK A3002RU
All of the following
TOTOLINK A702r Firmware=3.0.0-b20230809.1615
TOTOLINK A702R
All of the following
TOTOLINK A3002R Firmware=3.0.0-b20230809.1615
TOTOLINK A3002R
All of the following
TOTOLINK A3002ru Firmware=3.0.0-b20230809.1615
TOTOLINK A3002RU

Event History

May 17, 2025
CVE Published
via MITRE·05:31 PM
Data Sourced
via MITRE·05:31 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeakness
Mar 12, 57362
Event
via FIRST·04:14 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-4833?

CVE-2025-4833 is classified as a critical vulnerability.

2

Which devices are affected by CVE-2025-4833?

CVE-2025-4833 affects the TOTOLINK A702R, A3002R, and A3002RU devices.

3

How do I fix CVE-2025-4833?

To fix CVE-2025-4833, it is recommended to update the affected device firmware to the latest version provided by TOTOLINK.

4

What components are impacted by CVE-2025-4833?

CVE-2025-4833 impacts the HTTP POST Request Handler component of the affected devices.

5

What is the exploit mechanism for CVE-2025-4833?

The vulnerability in CVE-2025-4833 can be exploited through manipulation of the 'submit-url' argument in the '/boafrm/formNtp' file.

Contact

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