TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability
n/a — n/a
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.
8.8
20.7%
Vector breakdown
- Attack vector
- Adjacent
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Aug 31, 2020
- Modified
- Oct 21, 2025
- Added to KEV
- Sep 2, 2025
- Federal patch due
- Sep 23, 2025
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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2020-24363, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2020-24363 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2020-24363?
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.
How severe is CVE-2020-24363?
CVE-2020-24363 has a CVSS base score of 8.8 out of 10 (CVSS 3.1).
Is CVE-2020-24363 actively exploited in the wild?
Yes. CVE-2020-24363 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Sep 2, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2020-24363?
20.7% - meaning FIRST.org's EPSS model estimates a 20.7% probability this vulnerability will be exploited in the wild within 30 days (97% percentile among all scored CVEs).
What type of vulnerability is CVE-2020-24363?
CVE-2020-24363 is classified under CWE-306 (CWE-306 Missing Authentication for Critical Function).
Cross-checked against
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