CVE-2025-9781: TOTOLINK A702R formFilter sub_4162DC buffer overflow

Published Sep 1, 2025
·
Updated

A vulnerability has been found in TOTOLINK A702R 4.0.0-B20211108.1423. This affects the function sub4162DC of the file /boafrm/formFilter. Such manipulation of the argument ip6addr leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected Software

3 affected components
TOTOLINK A702R=4.0.0-B20211108.1423
All of the following
TOTOLINK A702r Firmware=4.0.0-b20211108.1423
TOTOLINK A702R

Event History

Sep 1, 2025
CVE Published
via MITRE·01:32 PM
Data Sourced
via MITRE·01:32 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
Feb 28, 57989
Event
via FIRST·01:17 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-9781?

CVE-2025-9781 has a high severity rating due to the potential for remote exploitation via buffer overflow.

2

How do I fix CVE-2025-9781?

To fix CVE-2025-9781, update the firmware of the TOTOLINK A702R to the latest version that addresses this vulnerability.

3

What type of vulnerability is CVE-2025-9781?

CVE-2025-9781 is classified as a buffer overflow vulnerability.

4

Can CVE-2025-9781 be exploited remotely?

Yes, CVE-2025-9781 can be exploited remotely by manipulating the argument ip6addr.

5

Which devices are affected by CVE-2025-9781?

CVE-2025-9781 affects the TOTOLINK A702R with version 4.0.0-B20211108.1423.

Contact

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