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Furbo 360 CVE-2025-11637

MEDIUM
Race Condition (CWE-362)
2025-10-12 cna@vuldb.com
5.3
CVSS 4.0 · Vendor: vuldb
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate to Furbo 360 camera
  2. Exploit
    Issue concurrent audio handler requests
  3. Execution
    Win timing race in audio handler
  4. Impact
    Disrupt audio service availability

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V15 - Secure Coding and Architecture Concurrency control, locking
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the attacker to already hold low-privileged authenticated access to the Furbo 360 camera's audio-handling interface (CVSS PR:L) and to repeatedly trigger the audio handler to win a timing-dependent race window (CWE-362). Limiting factors: authentication is required (not an unauthenticated remote attacker), the impact is confined to low availability degradation of the audio component (VC:N/VI:N, VA:L) with no data exposure or code execution, and success depends on reliably winning a race condition. The specific audio-handler function and the exact feature or protocol path are not detailed in the available data.

Impact

This is a LOW-to-MODERATE real-world priority, not a high-urgency issue despite being remotely reachable. The input CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L) scores 5.3 (MEDIUM) and limits impact to LOW availability only - no confidentiality or integrity impact - which is consistent with a race condition (CWE-362) in an audio handler that would degrade or disrupt a service rather than disclose data or allow code execution. Signals are mostly aligned toward low risk: EPSS is 0.30% (21st percentile), there is NO CISA KEV listing, and no public exploit code is referenced, so there is no evidence of active or imminent exploitation. One conflict is worth flagging: the input Tags include 'Information Disclosure,' but the CVSS vector explicitly sets VC:N (no confidentiality impact) and only VA:L - the 'Information Disclosure' tag therefore appears inconsistent with the scored impact and should be verified rather than trusted. Note also that PR:L indicates the attacker must already be authenticated to the device, which meaningfully constrains exploitation. Because the vendor was contacted and did not respond, no patch is known to exist, so exposure persists until the vendor acts or the device is isolated.

Exploit ScenarioDerived

An attacker who already has low-privileged authenticated access to a Furbo 360 camera (e.g., a valid app/account session or a user on the local/remote management path) sends concurrently timed requests to the audio handler to trigger the race condition, degrading or crashing the audio service. No public proof-of-concept exploit is identified at time of analysis, and the low-complexity rating in the input vector contrasts with the inherently timing-dependent nature of race conditions.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 08, 2026

A race condition in the audio handler of Tomofun's Furbo 360 dog camera firmware (through FB0035_FW_036) allows a remote attacker who already holds low-privileged authenticated access to repeatedly trigger the audio-handling routine and win a timing window, degrading audio availability. Impact is confined to low availability loss (C:N/I:N/A:L) with no data exposure, integrity impact, or code execution, and the attack requires both authentication and reliable race-condition timing, so real-world priority is low-to-moderate. There is no confirmed active exploitation (not in CISA KEV) and no public exploit code identified at time of analysis; EPSS is 0.30% (21st percentile), and the vendor did not respond to the disclosure.

RemediationAI

No vendor-released patch was identified at time of analysis - Tomofun did not respond to the disclosure and no fixed firmware version is documented in the available references, so no exact upgrade target can be cited. Because the flaw is reachable over the network and gated only by low-privileged authentication, the most effective compensating controls are network-scoping rather than code fixes: place Furbo 360 cameras on an isolated IoT VLAN or guest SSID with no route to trusted internal subnets, and use firewall rules to permit only the specific outbound destinations the camera genuinely requires (the trade-off is that over-restrictive egress can break cloud streaming, notifications, and firmware updates). Restrict the set of accounts and mobile-app clients that can authenticate to the camera and rotate or remove any shared or guest credentials, since any authenticated principal can drive the vulnerable audio path (trade-off: legitimate household users may lose audio features if the credential set is narrowed). If the device firmware exposes a setting to disable or reduce remote/cloud audio streaming or remote audio playback, turn it off and use it only for local viewing (trade-off: loss of the remote-listen feature). If the audio handler can be isolated by port or service, block those ports at the VLAN boundary. Monitor camera and audio-service logs for repeated, high-frequency audio-handler invocations from a single authenticated client, which is the signature of an attempt to win the race window, and be prepared to power-cycle or reboot the device if the audio pipeline becomes wedged. Re-check VulDB (https://vuldb.com/?id.328048) and Tomofun's support channels periodically for a firmware fix, and treat any future release above FB0035_FW_036 as a candidate remediation pending vendor confirmation.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The issue is a concurrency defect (CWE-362, race condition) in the unidentified audio-handling function of the Furbo 360 pet camera firmware, tracked against CPE cpe:2.3:o:furbo:furbo_360_dog_camera_firmware:*:*:*:*:*:*:*:* with a reported ceiling of FB0035_FW_036. Race conditions of this class arise when two or more execution contexts (for example, concurrent audio-stream or audio-configuration requests) access or mutate shared state without adequate locking or atomic sequencing, letting an attacker interleave operations to produce an unexpected state such as a stalled or wedged audio pipeline. The vendor's CVSS 4.0 vector (5.3) rates the path as network-reachable with low attack complexity and low privileges (PR:L), while our independent assessment scores it CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L, treating the timing dependence as high complexity and confining impact to reduced availability of the audio component. No affected function name, protocol path, or feature (for example local streaming versus cloud audio session) is disclosed in the available references, so the exact attack surface within the audio handler cannot be pinned down from open data.

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Severity by source

Vendor (vuldb) PRIMARY 5.3 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
vuln.today AI 3.1 LOW

Race condition requires winning a timing window (AC:H) and authenticated device access (PR:L); impact is limited to availability of the audio handler, so C:N/I:N/A:L.

3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
4.0 AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (vuldb).

CVSS VectorVendor: vuldb

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
None
Vulnerable system: Availability
Low
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

A vulnerability was detected in Tomofun Furbo 360 up to FB0035_FW_036. Impacted is an unknown function of the component Audio Handler. Performing manipulation results in race condition. The attack is possible to be carried out remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Threat Intelligence Overview

EPSS Score
0.3%
Top 79% exploitable
Prevalence
Low
consumer IoT pet camera, niche deployment, no enterprise footprint
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Race conditions occur when multiple concurrent requests exploit the brief time gap between checking a condition and acting upon it (TOCTOU - Time of Check, Time of Use).

Affected Products (CPE)CVE.org

cpe:2.3:o:furbo:furbo_360_dog_camera_firmware:*:*:*:*:*:*:*:*

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