Is CVE-2024-51139 actively exploited?

CVE-2024-51139 has no public evidence of in-the-wild exploitation as of 2025-05-28.

What is the CVSS score for CVE-2024-51139?

CVE-2024-51139 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2024-51139?

Patch guidance is available from draytek security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2024-51139.

Fix CVE-2024-51139 - CRITICAL draytek vigor2620 firmware

Q: Which products are affected by CVE-2024-51139?

25 products: draytek vigor2620 firmware, draytek vigorlte200 firmware, draytek vigor2860 firmware, draytek vigor2925 firmware, draytek vigor2862 firmware, and 20 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-120

Metadata

Primary Vendor: DRAYTEK
Published: 2/27/2025
Last Modified: 5/28/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

draytek : vigor2620_firmwaredraytek : vigorlte200_firmwaredraytek : vigor2860_firmwaredraytek : vigor2925_firmwaredraytek : vigor2862_firmwaredraytek : vigor2926_firmwaredraytek : vigor2133_firmwaredraytek : vigor2762_firmwaredraytek : vigor2832_firmwaredraytek : vigor2135_firmwaredraytek : vigor2765_firmwaredraytek : vigor2766_firmwaredraytek : vigor2763_firmwaredraytek : vigor2865_firmwaredraytek : vigor2866_firmwaredraytek : vigor2927_firmwaredraytek : vigor2962_firmwaredraytek : vigor2962_firmwaredraytek : vigor3910_firmwaredraytek : vigor3910_firmwaredraytek : vigor3912_firmwaredraytek : vigor2915_firmwaredraytek : vigor1000b_firmwaredraytek : vigor2952_firmwaredraytek : vigor3220_firmware

Remediation Guidance

Executive Summary

View on NIST NVD