CVE-2020-24363
CVE-2020-24363 is a high-severity vulnerability in Tp-link Tl-wa855re Firmware with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-09-02). The underlying weakness is classified as CWE-306.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 8.3
- EPSS exploit prediction: 21% (97th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2025-09-02)
- EU (EUVD) id: EUVD-2020-17095
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-09-02)
- Weakness: CWE-306
- Affected product: Tp-link Tl-wa855re Firmware
- Published:
- Last modified:
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.
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 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-24363 being actively exploited?
- Yes. CVE-2020-24363 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-09-02, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2020-24363?
- CVE-2020-24363 affects Tp-link Tl-wa855re Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-24363?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2020-24363 have an EU (EUVD) identifier?
- Yes. CVE-2020-24363 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-17095. It is also flagged as exploited in the EUVD (since 2025-09-02).
- When was CVE-2020-24363 published?
- CVE-2020-24363 was published on 2020-08-31 and last updated on 2026-06-17.
References
- http://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/
- https://pastebin.com/VjHM4UiA
- https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-24363
Affected products (1)
- cpe:2.3:o:tp-link:tl-wa855re_firmware:*:*:*:*:*:*:*:*
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