CVE-2024-36556

9.1 CRITICAL

📋 TL;DR

This CVE describes a hardcoded password vulnerability in Forever KidsWatch smartwatches. Attackers can use the embedded default credentials to gain unauthorized access to the devices, potentially compromising children's location data and communications. All users of the affected smartwatch models are at risk.

💻 Affected Systems

Products:
  • Forever KidsWatch Call Me KW50
  • Forever KidsWatch Call Me 2 KW60
Versions: R36_YDR_A3PW_GM7S_V1.0_2019_07_15_16.19.24_cob_h and R36CW_YDE_S4_A29_2_V1.0_2023.05.24_22.49.44_cob_b
Operating Systems: Embedded smartwatch firmware
Default Config Vulnerable: ⚠️ Yes
Notes: All devices with these firmware versions are vulnerable out-of-the-box. The hardcoded credentials cannot be changed by users.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could remotely hijack smartwatches, track children's real-time locations, intercept communications, and potentially access other connected devices on the same network.

🟠

Likely Case

Unauthorized access to device functions including location tracking, call/message monitoring, and device control.

🟢

If Mitigated

Limited impact if devices are isolated from internet access and strong network segmentation is implemented.

🌐 Internet-Facing: HIGH - Smartwatches are typically internet-connected devices, making them directly accessible to remote attackers.
🏢 Internal Only: MEDIUM - Attackers on the same local network could exploit the vulnerability, though remote exploitation is more likely.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability is documented in academic research showing remote hijacking capabilities. Attackers only need to discover the hardcoded credentials.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: None available

Restart Required: No

Instructions:

No official patch available. Contact manufacturer for firmware updates or replacement options.

🔧 Temporary Workarounds

Network Isolation

all

Place smartwatches on isolated network segments with no internet access

Disable Remote Features

all

Turn off all remote connectivity features in smartwatch settings

🧯 If You Can't Patch

  • Immediately disconnect devices from internet and cellular networks
  • Replace vulnerable devices with models from reputable manufacturers that provide security updates

🔍 How to Verify

Check if Vulnerable:

Check device firmware version in settings menu. If it matches affected versions, device is vulnerable.

Check Version:

Check device settings > About > Firmware Version

Verify Fix Applied:

No verification possible without firmware update from manufacturer.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to device management interfaces
  • Unexpected configuration changes

Network Indicators:

  • Unusual network traffic from smartwatch to unknown IP addresses
  • Multiple failed authentication attempts followed by successful access

SIEM Query:

source_ip=[smartwatch_ip] AND (event_type="authentication" OR event_type="configuration_change")

🔗 References

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