How severe is CVE-2020-24363?

CVE-2020-24363 has a CVSS score of 8.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2020-24363?

Affected package information for CVE-2020-24363 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2020-24363?

No fixed version has been published for CVE-2020-24363 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2020-24363 actively exploited in the wild?

Yes. There are 1 known exploit references for CVE-2020-24363, including 1 documented proof-of-concept exploit on Exploit-DB. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2020-24363?

CVE-2020-24363 has an EPSS (Exploit Prediction Scoring System) score of 11.4%, placing it in the 94th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score warrants monitoring and prompt remediation.

Is CVE-2020-24363 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2020-24363 (TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2025-09-02. CISA required all US federal civilian agencies to remediate this vulnerability by 2025-09-23. The required action was: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2020-24363?

CVE-2020-24363 is classified as Missing Authentication (CWE-306). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2020-24363?

CVE-2020-24363 affects tp-link tl-wa855re firmware. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2020-24363 published, and has it been updated?

CVE-2020-24363 was published on August 31, 2020 and was last updated on November 7, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2025-09-02 — agencies required to remediate by 2025-09-23

CVE-2020-24363

HIGH

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…

Published

Aug 31, 2020

Updated

Nov 7, 2025

Affected

0 pkgs

Patched

None yet

Exploits

1 known

EPSS Exploitation Probability

via FIRST.org ↗

11.4%probability of exploitation in next 30 days

Moderate Risk94th percentile-1.24%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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.

Affected Products

1 product · 1 configurations

tl-wa855re firmwaretp-link

< 200731

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-49092webappshardware

TP-Link TL-WA855RE V5_200415 - Device Reset Auth Bypass

by malwrforensics · Nov 23, 2020

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2020-24363 in your stack?

O3 detects CVE-2020-24363 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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