Overview
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.
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
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2020-24363 |
| Vendor / Product | TP-Link — TL-WA855RE |
| NVD Published | 2020-08-31 |
| NVD Last Modified | 2025-11-07 |
| CVSS 3.1 Score | 8.8 |
| CVSS 3.1 Vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Severity | HIGH |
| CWE | CWE-306 |
| CISA KEV Added | 2025-09-02 |
| CISA KEV Deadline | 2025-09-23 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2025-09-23.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2025-09-02 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2025-09-23 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2020-24363 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |