Auth bypass in Tp-link Tl-wa855re
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…
Vulnerability class: Broken Authentication
EPSS: 0.207 (97.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tp-link Tl-wa855re — versions v5
- Tp-link Tl-wa855re_firmware
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Public proof-of-concept exploits
References
- cve@mitre.org (Product, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2020-24363?
- CVE-2020-24363 is a high-severity vulnerability in Tp-link Tl-wa855re, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2020-08-31.
- How severe is CVE-2020-24363?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-24363 known to be exploited?
- Yes. CVE-2020-24363 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-09-02), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.