CVE-2026-7219: Totolink N300RT formIpQoS buffer overflow

Published Apr 28, 2026
·
Updated

A flaw has been found in Totolink N300RT 3.4.0-B20250430. This affects an unknown function of the file /boafrm/formIpQoS. Executing a manipulation of the argument entryname can lead to buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

Affected Software

1 affected component
TOTOLINK N300RT=3.4.0-B20250430

Event History

Apr 28, 2026
CVE Published
via MITRE·03:00 AM
Data Sourced
via MITRE·03:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 AM
DescriptionSeverityWeakness
Jul 2, 58309
Event
via FIRST·07:21 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-7219?

CVE-2026-7219 is considered a high-severity vulnerability due to the potential for remote exploitation leading to a buffer overflow.

2

How do I fix CVE-2026-7219?

To fix CVE-2026-7219, update the Totolink N300RT firmware to the latest version provided by the vendor.

3

What systems are affected by CVE-2026-7219?

CVE-2026-7219 specifically affects the Totolink N300RT router running firmware version 3.4.0-B20250430.

4

Can CVE-2026-7219 be exploited remotely?

Yes, CVE-2026-7219 can be exploited remotely by manipulating the argument entry_name in the affected /boafrm/formIpQoS function.

5

What type of vulnerability is CVE-2026-7219?

CVE-2026-7219 is classified as a buffer overflow vulnerability, which can lead to unauthorized access or system control.

Contact

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