CVE-2024-51139
9.8 · CRITICALOverview
CVE-2024-51139 is a critical-severity vulnerability affecting draytek vigor2620_firmware. It was published on February 27, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Buffer Overflow vulnerability in Vigor2620/LTE200 3.9.8.9 and earlier and Vigor2860/2925 3.9.8 and earlier and Vigor2862/2926 3.9.9.5 and earlier and Vigor2133/2762/2832 3.9.9 and earlier and Vigor165/166 4.2.7 and earlier and Vigor2135/2765/2766 4.4.5.1 and earlier and Vigor2865/2866/2927 4.4.5.3 and earlier and Vigor2962/3910 4.3.2.8/4.4.3.1 and earlier and Vigor3912 4.3.6.1 and earlier allows a remote attacker to execute arbitrary code via the CGI parser's handling of the "Content-Length" header of HTTP POST requests.
Remediation
Check the references section for vendor advisories and patches from draytek. Update vigor2620_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| draytek | vigor2620_firmware | >= 0, < 3.9.9.1 | Affected |
| draytek | vigorlte200_firmware | >= 0, < 3.9.9.1 | Affected |
| draytek | vigor2860_firmware | >= 0, < 3.9.8.3 | Affected |
| draytek | vigor2925_firmware | >= 0, < 3.9.8.3 | Affected |
| draytek | vigor2862_firmware | >= 0, < 3.9.9.8 | Affected |
| draytek | vigor2926_firmware | >= 0, < 3.9.9.8 | Affected |
| draytek | vigor2133_firmware | >= 0, < 3.9.9.2 | Affected |
| draytek | vigor2762_firmware | >= 0, < 3.9.9.2 | Affected |
| draytek | vigor2832_firmware | >= 0, < 3.9.9.2 | Affected |
| draytek | vigor2135_firmware | >= 0, < 4.4.5.5 | Affected |
Frequently Asked Questions
What is CVE-2024-51139?
CVE-2024-51139 is a critical-severity vulnerability affecting draytek vigor2620_firmware. It was published on February 27, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2024-51139?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2024-51139?
Check the references section for vendor advisories and patches from draytek. Update vigor2620_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-51139?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-51139 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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