Vulnerability · Published Oct 21, 2026 · Assigned by TPLink
CVE-2026-100420Information disclosure vulnerability in the cloud-client daemon of Deco BE63
Medium 6.8
In plain English
A medium-severity security flaw in Deco BE63 V2.0 from TP-Link Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Severity (CVSS 4.0)6.8Medium
Exploit odds (30 days)0.2%top 95.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A sensitive information disclosure vulnerability in the cloud-client daemon of Deco BE63 allows authenticated attackers to retrieve the plaintext TP-Link ID account password. Successful exploitation may allow attackers to compromise the associated cloud account and perform unauthorized actions on behalf of the affected user.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TP-Link Systems Inc. | Deco BE63 V2.0 | 0 – before 1.3.3 Build 26071612 |
Weakness: CWE-202 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N