What is the severity of CVE-2021-44864?

CVE-2021-44864 has been classified as a high severity vulnerability due to its potential to disrupt router services.

How do I fix CVE-2021-44864?

To fix CVE-2021-44864, you should immediately update the TP-Link WR886N firmware to the latest version provided by the manufacturer.

What are the potential impacts of CVE-2021-44864?

CVE-2021-44864 can allow authenticated attackers to crash the router's httpd service, resulting in a denial of service.

Is CVE-2021-44864 exploitable without authentication?

CVE-2021-44864 requires authentication, meaning only authorized users can exploit this vulnerability.

Which TP-Link devices are affected by CVE-2021-44864?

CVE-2021-44864 specifically affects the TP-Link WR886N 3.0 with firmware version 1.0.1 Build 150127 Rel.34123n.

Vulnerability/
CVE-2021-44864

medium

6.5

CWE

120 119

8/2/2022

4/8/2024

CVE-2021-44864: Buffer Overflow

First published: Tue Feb 08 2022(Updated: )

TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n is vulnerable to Buffer Overflow. Authenticated attackers can crash router httpd services via /userRpm/PingIframeRpm.htm request which contains redundant & in parameter.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
TP-Link TL-WN886N	=1.0.1-build_150127_rel.34123n
Tp-link Wn886n Firmware	=3.0

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Reference Links

https://github.com/zhlu32/cve/blob/main/tplink/wr886n/Tplink-wr886n-V3-Ping-DOS.md

Frequently Asked Questions

What is the severity of CVE-2021-44864?
CVE-2021-44864 has been classified as a high severity vulnerability due to its potential to disrupt router services.
How do I fix CVE-2021-44864?
To fix CVE-2021-44864, you should immediately update the TP-Link WR886N firmware to the latest version provided by the manufacturer.
What are the potential impacts of CVE-2021-44864?
CVE-2021-44864 can allow authenticated attackers to crash the router's httpd service, resulting in a denial of service.
Is CVE-2021-44864 exploitable without authentication?
CVE-2021-44864 requires authentication, meaning only authorized users can exploit this vulnerability.
Which TP-Link devices are affected by CVE-2021-44864?
CVE-2021-44864 specifically affects the TP-Link WR886N 3.0 with firmware version 1.0.1 Build 150127 Rel.34123n.

agent/type
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/weakness
agent/author
agent/references
agent/first-publish-date
agent/description
agent/event
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/tp-link
canonical/tp-link tl-wn886n
version/tp-link tl-wn886n/1.0.1-build_150127_rel.34123n
canonical/tp-link wn886n firmware
version/tp-link wn886n firmware/3.0

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Frequently Asked Questions

What is the severity of CVE-2021-44864?
CVE-2021-44864 has been classified as a high severity vulnerability due to its potential to disrupt router services.
How do I fix CVE-2021-44864?
To fix CVE-2021-44864, you should immediately update the TP-Link WR886N firmware to the latest version provided by the manufacturer.
What are the potential impacts of CVE-2021-44864?
CVE-2021-44864 can allow authenticated attackers to crash the router's httpd service, resulting in a denial of service.
Is CVE-2021-44864 exploitable without authentication?
CVE-2021-44864 requires authentication, meaning only authorized users can exploit this vulnerability.
Which TP-Link devices are affected by CVE-2021-44864?
CVE-2021-44864 specifically affects the TP-Link WR886N 3.0 with firmware version 1.0.1 Build 150127 Rel.34123n.