CVE-2020-24363
HighExploitedPublic exploitTP-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.
Published Aug 31, 2020 · Updated Nov 7, 2025
Key Facts
Patch immediately- CVE-2020-24363 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Tl-Wa855re Firmware (Tp-Link).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 2, 2025. Public exploit code is available.
- EPSS estimates a 22% probability of exploitation in the next 30 days.
- Fixed versions are available, including Tl-Wa855re Firmware 200731.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
22%
Higher than 97.6% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2020-24363 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Sep 2, 2025 | Sep 23, 2025 | Not reported |
| Industry KEV feed | Sep 2, 2025 | Sep 23, 2025 | Not reported |
| CIRCL KEV | Sep 2, 2025 | Sep 23, 2025 | Not reported |
| ENISA EUVD | Sep 2, 2025 | n/a | Not reported |
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 Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Tl-Wa855re FirmwareTp-Link | See advisory | 200731 |
Patched Releases
Tl-Wa855re Firmware
200731
Timeline
Publicly disclosed
Aug 31, 2020
Added to CISA KEV
Sep 2, 2025
Added to Industry KEV feed
Sep 2, 2025
Added to CIRCL KEV
Sep 2, 2025
Added to ENISA EUVD
Sep 2, 2025
Last updated
Nov 7, 2025
Weakness Type
- CWE-306 Missing Authentication for Critical Function
References
- advisoryhttp://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/
- advisoryhttps://pastebin.com/VjHM4UiA
- exploitVulnCheck exploitation report
- exploitExploitDB-49092
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: Tl-Wa855re Firmware (Tp-Link). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 2, 2025.
Yes. It was added on Sep 2, 2025 with a federal remediation due date of Sep 23, 2025.
Public exploit code is available.
Fixed versions are available, including Tl-Wa855re Firmware 200731.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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