# CVE-2020-24363: TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability

> CVE-2020-24363: TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2020-24363
Last updated: 2025-10-21T23:35:37Z

- Published: 2020-08-31 15:49 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: mitre
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 22.2%, 98th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-09-02, federal due date 2025-09-23, ransomware use: Unknown

## 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.

## CISA 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.

## Affected vendors and products

- TP-Link: TL-WA855RE

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2020-24363)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2020-24363)
- [http://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/](http://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/)
- [https://pastebin.com/VjHM4UiA](https://pastebin.com/VjHM4UiA)
- [https://www.tp-link.com/us/support/download/tl-wa855re/\#Firmware](https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2020-24363 · Markdown: https://rewindex.com/cve/CVE-2020-24363.md · JSON: https://rewindex.com/api/v1/cves/CVE-2020-24363 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:16:26.882Z