CVE-2025-4835: TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formWlanRedirect buffer overflow

Published May 17, 2025
·
Updated

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack can be launched 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·07:31 PM
Data Sourced
via MITRE·07:31 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeakness
Mar 12, 57362
Event
via FIRST·04:15 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-4835?

CVE-2025-4835 has been declared as critical.

2

Which devices are affected by CVE-2025-4835?

CVE-2025-4835 affects TOTOLINK A702R, A3002R, and A3002RU devices running firmware version 3.0.0-B20230809.1615.

3

How do I fix CVE-2025-4835?

To fix CVE-2025-4835, update the firmware of your TOTOLINK devices to the latest version provided by the vendor.

4

What type of vulnerability is CVE-2025-4835?

CVE-2025-4835 is a vulnerability in the HTTP POST Request Handler related to an unknown functionality.

5

What impact does CVE-2025-4835 have on affected devices?

CVE-2025-4835 could potentially allow unauthorized access or manipulation of the affected TOTOLINK devices.

Contact

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