CVE-2024-25729 – This vulnerability affects Arris SBG6580 device... (How to Fix)

📋 TL;DR

This vulnerability affects Arris SBG6580 devices with predictable default WPA2 passwords, allowing attackers to gain unauthorized network access. The password generation algorithm uses the first 6 characters of the SSID and last 6 characters of the BSSID with predictable modifications. Anyone using affected devices with default credentials is vulnerable.

💻 Affected Systems

Products:

Arris SBG6580

Versions: All firmware versions with default configuration

Operating Systems: Embedded firmware

Default Config Vulnerable: ⚠️ Yes

Notes: Only affects devices using default WPA2 passwords. Custom passwords are not vulnerable.

⚠️ 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:

Review the CVE details at NVD
Check vendor security advisories for your specific version
Test if the vulnerability is exploitable in your environment
Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete network compromise, data interception, device takeover, and lateral movement to connected systems.

🟠

Likely Case

Unauthorized network access leading to bandwidth theft, man-in-the-middle attacks, and potential credential harvesting.

🟢

If Mitigated

Limited impact if strong custom passwords are used and network segmentation is implemented.

🌐 Internet-Facing: HIGH - Devices exposed to internet are directly vulnerable to remote password guessing attacks.

🏢 Internal Only: MEDIUM - Internal attackers or malware could exploit this to gain network foothold.

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Attack requires proximity for wireless access or internet exposure. Password generation algorithm is publicly documented.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: N/A

Vendor Advisory: N/A

Restart Required: No

Instructions:

1. Log into router admin interface
2. Navigate to Wireless Settings
3. Change WPA2 password to strong custom password
4. Save changes and reconnect devices

🔧 Temporary Workarounds

Change Default Password

all

Replace predictable default password with strong custom password

Disable WPS

all

Turn off Wi-Fi Protected Setup to prevent alternative attack vectors

🧯 If You Can't Patch

Implement network segmentation to isolate vulnerable devices
Enable MAC address filtering and reduce wireless broadcast range

🔍 How to Verify

Check if Vulnerable:

Check if WPA2 password matches pattern: first 6 chars of SSID + last 6 chars of BSSID (last octet decremented)

Check Version:

Check router admin interface for firmware version

Verify Fix Applied:

Verify new password is complex (12+ chars, mixed case, numbers, symbols) and doesn't follow predictable pattern

📡 Detection & Monitoring

Log Indicators:

Multiple failed authentication attempts
Unusual MAC addresses connecting

Network Indicators:

Unexpected wireless clients
Unusual traffic patterns from router

SIEM Query:

wireless authentication failures > threshold OR new wireless clients detected

📊 Metadata

CVE ID: CVE-2024-25729

CVSS v3 Score: 8.8 (HIGH)

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

CWE: CWE-521

Published: March 8, 2024

Last Updated: November 21, 2024

🔗 References

📤 Share & Export

📄 Export Markdown 📋 Export JSON

🔗 Related Vulnerabilities

If you're affected by CVE-2024-25729, you might also want to check these: