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Known Exploited Vulnerability
8.8
HIGH CVSS 3.1
CVE-2020-24363
TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability - [Actively Exploited]
Description

TP-Link TL-WA855RE V5 20200415-rel37464 devices allow an unauthenticated attacker (on the same network) to submit a TDDP_RESET POST request for a factory reset and reboot. The attacker can then obtain incorrect access control by setting a new administrative password.

INFO

Published Date :

Aug. 31, 2020, 4:15 p.m.

Last Modified :

Sept. 3, 2025, 2:19 p.m.

Remotely Exploit :

No

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

TP-link TL-WA855RE contains a missing authentication for critical function vulnerability. This vulnerability could allow an unauthenticated attacker (on the same network) to submit a TDDP_RESET POST request for a factory reset and reboot. The attacker can then obtain incorrect access control by setting a new administrative password. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Required Action :

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes :

https://www.tp-link.com/us/home-networking/range-extender/tl-wa855re/#overview ; https://www.tp-link.com/us/support/download/tl-wa855re/#FAQs ; https://nvd.nist.gov/vuln/detail/CVE-2020-24363

Affected Products

The following products are affected by CVE-2020-24363 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tp-link tl-wa855re_firmware
2 Tp-link tl-wa855re
: Total Affected Vendor : 1 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-24363.

URL Resource
http://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/ Third Party Advisory
https://pastebin.com/VjHM4UiA Third Party Advisory
https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware Product
http://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/ Third Party Advisory
https://pastebin.com/VjHM4UiA Third Party Advisory
https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware Product
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-24363 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-24363 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-24363 vulnerability anywhere in the article.

  • The Hacker News
CISA Adds TP-Link and WhatsApp Flaws to KEV Catalog Amid Active Exploitation

Sep 03, 2025Ravie LakshmananVulnerability / Mobile Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a high-severity security flaw impacting TP-Link TL-WA855 ... Read more

Published Date: Sep 03, 2025 (12 hours, 55 minutes ago)
  • TheCyberThrone
Three Major Vulnerabilities Added to CISA’s KEV Catalog

September 3, 2025In a critical update for network defenders and security professionals, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) recently added three significant vulnerabilitie ... Read more

Published Date: Sep 03, 2025 (17 hours, 15 minutes ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2020-24363 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Sep. 03, 2025

    Action Type Old Value New Value
    Changed CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-wa855re_firmware:20200415:*:*:*:*:*:*:* OR cpe:2.3:h:tp-link:tl-wa855re:v5:*:*:*:*:*:*:* AND OR *cpe:2.3:o:tp-link:tl-wa855re_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 200731 OR cpe:2.3:h:tp-link:tl-wa855re:v5:*:*:*:*:*:*:*
    Changed Reference Type CVE: https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware Types: Vendor Advisory CVE: https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware Types: Product
    Changed Reference Type MITRE: https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware Types: Vendor Advisory MITRE: https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware Types: Product
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Sep. 03, 2025

    Action Type Old Value New Value
    Added Date Added 2025-09-02
    Added Due Date 2025-09-23
    Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
    Added Vulnerability Name TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 29, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-306
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/
    Added Reference https://pastebin.com/VjHM4UiA
    Added Reference https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Sep. 08, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/ No Types Assigned http://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/ Third Party Advisory
    Changed Reference Type https://pastebin.com/VjHM4UiA No Types Assigned https://pastebin.com/VjHM4UiA Third Party Advisory
    Changed Reference Type https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware No Types Assigned https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware Vendor Advisory
    Added CWE NIST CWE-306
    Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-wa855re_firmware:20200415:*:*:*:*:*:*:* OR cpe:2.3:h:tp-link:tl-wa855re:v5:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 8.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

34.58 }} 25.42%

score

0.96891

percentile