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Response snapshot Oct 27, 2026, 06:32 UTC

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VulnerabilityCVE-2026-108473

Multiple Kasa devices contain an improper authentication vulnerability in the local device-management protocol. An unauthenticated adjacent attacker may send management...

Multiple Kasa devices contain an improper authentication vulnerability in the local device-management protocol.

At a glance

Exploited
Not known
Severity
8.7 High (CVSS 4.0)
Chance of exploitation
0.3% in the next 30 days
Sources
1 source

What to do

Check the vendor advisory for affected versions and fixes.

Read NVD CVE-2026-108473 (opens a new tab)

What happened

Multiple Kasa devices contain an improper authentication vulnerability in the local device-management protocol. An unauthenticated adjacent attacker may send management instructions to an affected device without adequate authentication or authorization, allowing modification of the device state or management settings.

Under certain usage conditions involving interaction between the user, mobile application, and device-cloud service, insufficient protection of account-related communications may also expose account information.

Successful exploitation may allow an unauthenticated adjacent-network attacker to perform unauthorized device-management actions and disrupt legitimate user control. Under certain conditions, account-related information may also be exposed, potentially leading to compromise of the associated cloud account.

Scores and how they were measured

CVSS base severity

8.7

Version 4.0As of

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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

Measurement source (opens a new tab)

How bad it is if exploited. Not a prediction of exploitation or proof you are exposed.

EPSS probability

0.3%

Scored Percentile 19.7%

Model and measurement source (opens a new tab)

A model's estimate of exploitation in the next 30 days, not certainty or your own risk.

Sources

  1. Primary source

    NVD CVE-2026-108473 (opens a new tab)

    NVD record: description, CVSS (the CNA score is preferred), affected products, and publication date. Not evidence of exploitation.

    Published Checked

  2. Primary source

    NVD CVE API 2.0 (opens a new tab)

    The NVD API page that supplied this CVE record.

    Published Date not suppliedChecked

  3. Primary source

    FIRST measured EPSS score (opens a new tab)

    Measured EPSS probability and percentile for CVE-2026-108473, scored 2026-10-26. A model estimate, not proof of exposure.

    Published Checked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, October 15). Multiple Kasa devices contain an improper authentication vulnerability in the local device-management protocol. An unauthenticated adjacent attacker may send management... (CVE-2026-108473). https://kevwire.com/record/CVE-2026-108473

MLA

"Multiple Kasa devices contain an improper authentication vulnerability in the local device-management protocol. An unauthenticated adjacent attacker may send management... (CVE-2026-108473)." KEVWire, 15 Oct. 2026, kevwire.com/record/CVE-2026-108473.

Chicago

KEVWire. "Multiple Kasa devices contain an improper authentication vulnerability in the local device-management protocol. An unauthenticated adjacent attacker may send management... (CVE-2026-108473)." Last modified October 15, 2026. https://kevwire.com/record/CVE-2026-108473.

Evidence summary (plain text)

Multiple
Kasa devices contain an improper authentication vulnerability in the local
device-management protocol. An unauthenticated adjacent attacker may send
management... (Oct 14, 2026).
Multiple
Kasa devices contain an improper authentication vulnerability in the local
device-management protocol. An unauthenticated adjacent attacker may send
management instructions to an affected device without adequate authentication
or authorization, allowing modification of the device state or management
settings. Under certain usage conditions involving interaction between the
user, mobile application, and device-cloud service, insufficient protection of
account-related communications may also expose account information.









Successful
exploitation may allow an unauthenticated adjacent-network attacker to perform
unauthorized device-management actions and disrupt legitimate user control.
Under certain conditions, account-related information may also be exposed,
potentially leading to compromise of the associated cloud account.
CVSS 8.7 (version 4.0; evidence as of Oct 15, 2026; https://nvd.nist.gov/vuln/detail/CVE-2026-108473).
EPSS 0.3% for the following 30 days, scored Oct 26, 2026 (https://api.first.org/data/v1/epss?cve=CVE-2026-108473&date=2026-10-26).
Sources:
NVD CVE-2026-108473: https://nvd.nist.gov/vuln/detail/CVE-2026-108473
NVD CVE API 2.0: https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-108473
FIRST measured EPSS score: https://api.first.org/data/v1/epss?cve=CVE-2026-108473&date=2026-10-26
Record ID: CVE-2026-108473.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Not assessed.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Oct 27, 2026, 06:32 UTC. Ingestion is not an independent editorial investigation.

NVD status: Deferred. Publication in the NVD is not evidence of exploitation.

Looked up on demand from NVD because this CVE is outside the regularly tracked set (older, or rated below HIGH). It is not in CISA's Known Exploited Vulnerabilities catalog as of the last ingestion.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

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Record details

Record detail