8.8High KEV

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

tp-link tl-wa855re firmware Published: (6 years ago)

Known exploited — TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability

CISA confirmed this vulnerability is used in real attacks on 02.09.2025. Remediation deadline for US federal agencies: 23.09.2025.

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. https://www.tp-link.com/us/home-networking/range-extender/tl-wa855re/#overview ; https://www.tp-link.com/us/support/download/tl-wa855re/#FAQs ; https://nvd.nist.gov/vuln/detail/CVE-2020-24363

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): CWE-306

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
tp-link tl-wa855re firmware < 200731

References and patches

CPE matches (NVD) (1)

  • cpe:2.3:o:tp-link:tl-wa855re_firmware:*:*:*:*:*:*:*:* < 200731