CVE-2020-29557: D-Link DIR-825 R1 Devices Buffer Overflow Vulnerability

Published Jan 29, 2021
·
Updated

An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.

Other sources

D-Link DIR-825 R1 devices contain a buffer overflow vulnerability in the web interface that may allow for remote code execution.

CISA

Affected Software

15 affected components
Dlink Dir-825 R1 Firmware<=3.0.1
Dlink DIR-825=r1
Dlink Dir-825\/a=d1a
Dlink Dir-825\/ac=e
Dlink Dir-825\/ac=e1a
Dlink Dir-825\/acf=f1
Dlink Dir-825\/gf=gf
D-Link DIR-825 R1 Devices
All of the following
Dlink Dir-825 R1 Firmware<=3.0.1
Any of the following
Dlink DIR-825=r1
Dlink Dir-825\/a=d1a
Dlink Dir-825\/ac=e
Dlink Dir-825\/ac=e1a
Dlink Dir-825\/acf=f1
Dlink Dir-825\/gf=gf

Event History

Jan 29, 2021
CVE Published
via MITRE·07:32 PM
Data Sourced
via MITRE·07:32 PM
Description
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 3, 2021
Known Exploited
via CISA·12:00 AM
Apr 2, 58454
Event
07:42 PM
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Frequently Asked Questions

1

What is CVE-2020-29557?

CVE-2020-29557 is a buffer overflow vulnerability found in D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20.

2

How severe is CVE-2020-29557?

CVE-2020-29557 has a severity rating of 9.8, which is considered critical.

3

How can an attacker exploit CVE-2020-29557?

Attackers can exploit CVE-2020-29557 by leveraging the buffer overflow in the web interface to achieve pre-authentication remote code execution.

4

Is D-Link DIR-825 R1 firmware version 3.0.1 vulnerable to CVE-2020-29557?

Yes, D-Link DIR-825 R1 firmware version 3.0.1 is vulnerable to CVE-2020-29557.

5

How do I fix CVE-2020-29557?

To fix CVE-2020-29557, it is advised to update the firmware of the affected D-Link DIR-825 R1 devices to a version beyond 3.0.1 released after 2020-11-20.

Contact

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