CVE-2021-26709: Buffer Overflow

Published Apr 7, 2021
·
Updated

UNSUPPORTED WHEN ASSIGNED D-Link DSL-320B-D1 devices through EU1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device via the login.xgi user and pass parameters. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Affected Software

4 affected components
D-Link DSL-320B-D1<=eu_1.25
D-Link DSL-320B-D1
All of the following
D-Link DSL-320B-D1<=eu_1.25
D-Link DSL-320B-D1

Event History

Apr 7, 2021
CVE Published
via MITRE·10:45 AM
Data Sourced
via MITRE·10:45 AM
Description

Frequently Asked Questions

1

What is CVE-2021-26709?

CVE-2021-26709 is a vulnerability in the D-Link DSL-320B-D1 devices through EU_1.25 that allows unauthenticated remote attackers to take over a device via the login.xgi user and pass parameters.

2

How severe is CVE-2021-26709?

CVE-2021-26709 has a severity rating of 9.8 out of 10, which is considered critical.

3

How can an attacker exploit CVE-2021-26709?

An attacker can exploit CVE-2021-26709 by sending malicious login.xgi user and pass parameters to the affected D-Link DSL-320B-D1 devices through EU_1.25, allowing them to take over the device remotely.

4

Which D-Link devices are affected by CVE-2021-26709?

The vulnerability CVE-2021-26709 affects D-Link DSL-320B-D1 devices through EU_1.25.

5

Is there a fix available for CVE-2021-26709?

As this vulnerability is no longer supported, there may not be an official fix available for CVE-2021-26709. It is recommended to update to a supported device or seek guidance from the vendor.

Contact

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