High severity · published Aug 31, 2020
CVE-2020-24363
TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability
In wildKEV
8.8
CVSS
22.2%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)22.2% · higher than 98% of CVEs
Exploited in the wildYes
CISA KEVListed Sep 2, 2025
Federal remediation dueSep 23, 2025
Ransomware campaign useNot known
Affected products
Which versions
TF
Tl-wa855re Firmware · Tp-link
before 200731 · source: NVD
TL
TL-WA855RE · TP-Link
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24363
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-24363
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware
x_refsource_MISC
http://malwrforensics.com/en/2020/08/31/cve-2020-24363-tl-wa855re-v5-advisory/
x_refsource_MISC
https://pastebin.com/VjHM4UiA
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8.0
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This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of TP-Link TL-WA855RE Firmware Ver: 855rev4-up-ver1-0-1-P1[20191213-rel60361]…