CVE-2026-100420: CWE-202 Exposure of sensitive information through data queries in TP-Link Systems Inc. Deco BE63 V2.0
Description
CVE-2026-100420 is a medium severity vulnerability in TP-Link Deco BE63 V2.0 that allows authenticated attackers to retrieve plaintext TP-Link ID account passwords via the cloud-client daemon. This exposure of sensitive information could enable attackers to compromise the associated cloud account and perform unauthorized actions. The vulnerability is identified as CWE-202 (Exposure of Sensitive Information Through Data Queries). No patch or remediation information is currently provided.
CVSS v4.0
Score 6.8medium
Affected software
TP-Link Systems Inc.
Deco BE63 V2.0
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the cloud-client daemon component of TP-Link Deco BE63 V2.0. Authenticated attackers can exploit it to obtain the plaintext password of the TP-Link ID account associated with the device. The weakness is classified under CWE-202, indicating exposure of sensitive information through data queries. The CVSS 4.0 base score is 6.8 (medium severity), with attack vector local (adjacent network), low attack complexity, no user interaction, and high impact on confidentiality. No known exploits are reported in the wild, and no official patch or fix details have been disclosed.
Potential Impact
Successful exploitation allows attackers with authenticated access to retrieve plaintext TP-Link ID passwords, potentially leading to full compromise of the cloud account and unauthorized actions on behalf of the user. This could result in loss of account control and privacy breaches.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict authenticated access to the cloud-client daemon and monitor for suspicious activity related to account access.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TPLink
- Date Reserved
- 2026-09-25T20:37:34.701Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad947ad4d27ba8daa0dbea2
Added to database: 10/21/2026, 23:15:57 UTC
Last enriched: 10/21/2026, 23:31:09 UTC
Last updated: 10/21/2026, 23:55:15 UTC
Views: 6
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