CVE-2025-9780: TOTOLINK A702R formIpQoS sub_419BE0 buffer overflow

Published Sep 1, 2025
·
Updated

A flaw has been found in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this issue is the function sub419BE0 of the file /boafrm/formIpQoS. This manipulation of the argument mac causes buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.

Affected Software

3 affected components
TOTOLINK A702R
All of the following
TOTOLINK A702r Firmware=4.0.0-b20211108.1423
TOTOLINK A702R

Event History

Sep 1, 2025
CVE Published
via MITRE·01:02 PM
Data Sourced
via MITRE·01:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software
Feb 27, 57989
Event
via FIRST·11:56 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-9780?

CVE-2025-9780 is considered a critical vulnerability due to the potential for remote exploitation through buffer overflow.

2

How do I fix CVE-2025-9780?

To fix CVE-2025-9780, users should update their TOTOLINK A702R firmware to the latest version provided by the manufacturer.

3

What type of vulnerability is CVE-2025-9780?

CVE-2025-9780 is a buffer overflow vulnerability that can be exploited remotely.

4

Can CVE-2025-9780 impact other devices?

Currently, CVE-2025-9780 specifically affects the TOTOLINK A702R router model.

5

What is the potential impact of exploiting CVE-2025-9780?

Exploitation of CVE-2025-9780 may allow attackers to execute arbitrary code on the affected device.

Contact

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