Known exploited vulnerability
CVE-2020-24363
The short answer
CVE-2020-24363 affects n/a n/a and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-09-02: attackers are using it, so patch it first.
What it is
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.
Severity
8.8 high
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Sep 2, 2025
Federal due date Sep 23, 2025
EPSS, next 30 days
22%
Higher than 98% of scored CVEs
How it can be exploited
- Attack vector
- Adjacent network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
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
n/a. NVD's record lists the exact affected versions.
References
- pastebin.com/VjHM4UiA Third Party Advisory
- www.tp-link.com/us/support/download/tl-wa855re/#Firmware Product
- pastebin.com/VjHM4UiA Third Party Advisory
- www.tp-link.com/us/support/download/tl-wa855re/#Firmware Product
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-24363 US Government Resource
Questions
Is CVE-2020-24363 being exploited?
Yes. CISA added CVE-2020-24363 to its Known Exploited Vulnerabilities catalog on 2025-09-02, with a federal remediation due date of 2025-09-23.
How do I fix CVE-2020-24363?
CISA's 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.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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