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CVE-2026-100420

Information disclosure vulnerability in the cloud-client daemon of Deco BE63

CVSS score

6.8

EPSS probability

—

Risk score

0.7

Published

2 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

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Vulnerability description

DayBreach AI Explanation

Verified against sources

Deco BE63 Cloud-Client Daemon Information Disclosure Vulnerability (CVE-2026-100420)

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A sensitive information disclosure vulnerability exists in the cloud-client daemon of Deco BE63 (S0). Authenticated attackers can retrieve plaintext TP-Link ID account passwords (S0).

Why does it matter?

Successful exploitation may allow attackers to compromise the associated cloud account and perform unauthorized actions on behalf of the affected user (S0).

What should be done?

  • Follow the vendor advisory (S0)
  • Apply the provided updates or patches (S0)
Chain of evidence and sources2 verified claims

Deco BE63 bulut istemcisi daemon bileşeni hassas bilgi ifşası zafiyetinden etkilenmektedir.

S0 · daybreach-canonicalS1 · cvelist

Saldırganlar düz metin TP-Link ID parola bilgilerini ele geçirebilir.

S0 · daybreach-canonical
Show the technical text from the sources

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.

CVSS 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

CWE: CWE-202

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-100420 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1TP-Link Systems Inc.Deco BE63 V2.0 View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
6.8CVSS V4_0MEDIUMCVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NCVE CNA
6.8CVSS V40MEDIUMCVSS: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:XNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

CNA çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-100420 is associated with the following CWEs:

CWE-202: Common Weakness Enumeration Entry CWE-202

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-100420 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureBitişik ağ
PermissionsHigh
UserGerekmiyor

Official Sources and Advisories

https://www.tp-link.com/us/support/download/deco-be63/v2.60/#Firmwarepatchhttps://www.tp-link.com/us/support/faq/5357/vendor-advisory

CVSS Vector Radar Chart

6.8 / 10
Attack VectorAdjacentComplexityLowPrivilegesHighUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

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
Attack VectorAdjacent network
Attack ComplexityLow
Privileges RequiredHigh privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama doğrulandı

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

TS
TP-Link Systems Inc. logo
TP-Link Systems Inc.

Weakness Type (CWE & CAPEC)

CWE-202

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CVE-2026-100420 · Information disclosure vulnerability in…