CVE-2020-24363 TP-link TL-WA855RE Missing Authentication for Critical Function

Exploited in the wild High 8.8 Published Updated

An unauthenticated attacker on the same network can trigger a factory reset and set a new admin password, gaining full control of the device.

Exploited in the wild
Since 2 Sep 2025
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-24363?

CVE-2020-24363 is a high-severity missing authorization vulnerability in n/a, published on 31 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-306

Which versions are affected by CVE-2020-24363?

It affects 1 product.

Products include Tp-Link Tl-Wa855re Firmware.

How do I fix CVE-2020-24363?

No fix has been published for CVE-2020-24363 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 23 Sep 2025.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-24363 being exploited?

Yes. Attackers have exploited CVE-2020-24363 in the wild since at least 2 Sep 2025.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-339j-xv49-q5p7.

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