CVE-2023-36356: High severity TP-Link Tl-wr940n Firmware vulnerability

Published Jun 22, 2023
·
Updated

TP-Link TL-WR940N V2/V4/V6, TL-WR841N V8, TL-WR941ND V5, and TL-WR740N V1/V2 were discovered to contain a buffer read out-of-bounds via the component /userRpm/VirtualServerRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Affected Software

25 affected components
TP-Link Tl-wr940n Firmware
TP-Link TL-WR940N=v4
TP-Link TL-WR841N firmware
TP-Link TL-WR841N=v8
TP-Link Tl-wr740n Firmware
TP-Link TL-WR740N=v1
TP-Link TL-WR740N=v2
TP-Link TL-WR940N=v2
TP-Link Tl-wr941nd Firmware
TP-Link TL-WR941ND=v5
TP-Link TL-WR940N=v6
All of the following
TP-Link Tl-wr940n Firmware
TP-Link TL-WR940N=v4
All of the following
TP-Link TL-WR841N firmware
TP-Link TL-WR841N=v8
All of the following
TP-Link Tl-wr740n Firmware
TP-Link TL-WR740N=v1
All of the following
TP-Link Tl-wr740n Firmware
TP-Link TL-WR740N=v2
All of the following
TP-Link Tl-wr940n Firmware
TP-Link TL-WR940N=v2
All of the following
TP-Link Tl-wr941nd Firmware
TP-Link TL-WR941ND=v5
All of the following
TP-Link Tl-wr940n Firmware
TP-Link TL-WR940N=v6

Event History

Jun 22, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2023-36356.

2

Which devices are affected by this vulnerability?

TP-Link TL-WR940N V2/V4/V6, TL-WR841N V8, TL-WR941ND V5, and TL-WR740N V1/V2 are affected by this vulnerability.

3

What is the severity of CVE-2023-36356?

The severity of CVE-2023-36356 is high, with a severity value of 7.7.

4

How can an attacker exploit this vulnerability?

An attacker can exploit this vulnerability by sending a crafted GET request to the /userRpm/VirtualServerRpm component, causing a Denial of Service (DoS).

5

Is there a fix available for CVE-2023-36356?

Currently, there is no information available on a fix for CVE-2023-36356. It is recommended to follow the official advisories and security updates from TP-Link.

Contact

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