CVE-2025-56438 | BDVDB-2026-299352 Detail

Description#

An issue in the firmware update mechanism of Nous W3 Smart WiFi Camera v1.33.50.82 allows unauthenticated and physically proximate attackers to escalate privileges to root via supplying a crafted update.tar archive file stored on a FAT32-formatted SD card.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: physical.

Weaknesses#

CWE-345 Insufficient Verification of Data Authenticity

References#

https://github.com/MMarble21/Smart-camera-privilege-escalation/blob/main/ADVISORY.md

Exploit#

No public exploit known

History#

Version 12025-10-24Record published in the CVE List.
Version 22026-07-05Most recent update recorded in the CVE List.

Published

Published: 2025-10-24
Last modified: 2026-07-05

Vendor information

Vendor: Not stated
Product: Not stated

Score

6.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 3.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.8 Medium

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Physical
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).