TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability
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.
- Vendor
- TP-Link
- Product
- TL-WA855RE
- CVSS
- 8.8
- EPSS (exploit probability)
- 22.2%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2020-24363 being exploited?
Yes. CISA added CVE-2020-24363 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 22.2% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-23. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other TP-Link CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2025-9377 TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability | [ HIGH ] | 7.2 | 37.7% | |
| CVE-2023-50224 TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability | [ MEDIUM ] | 6.5 | 20.0% | |
| CVE-2023-33538 TP-Link Multiple Routers Command Injection Vulnerability | [ HIGH ] | 8.8 | 41.6% | |
| CVE-2023-1389 TP-Link Archer AX-21 Command Injection Vulnerability | [ HIGH ] | 8.8 | 100.0% | |
| CVE-2015-3035 TP-Link Multiple Archer Devices Directory Traversal Vulnerability | [ HIGH ] | 7.5 | 83.9% |