CVE-2026-100420
Information disclosure vulnerability in the cloud-client daemon of Deco BE63
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Information disclosure vulnerability in the cloud-client daemon of Deco BE63
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.
- Record
CVE-2026-100420- CVSS 4.0
- 6.8 Medium
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 - Weakness
- CWE-202
- Updated
- 2026-11-02
EUVDEUVD-2026-107633
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.
- Record
EUVD-2026-107633- CVSS 4.0
- 6.8 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fjpw-4x7c-9fcw
A sensitive information disclosure vulnerability in the cloud-client daemon of Deco BE63 allows...
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.
- Record
GHSA-fjpw-4x7c-9fcw- CVSS 4.0
- 6.8 Medium
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-202
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-100420- CVSS 4.0
- 6.8 Medium
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-202
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-100420 is a medium vulnerability (CVSS 6.8) in Tp-link Systems Inc. Deco Be63 V2.0, published October 21, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.