#VU106349 Stack-based buffer overflow in DrayTek Corp. products - CVE-2024-51138

Vulnerability identifier: #VU106349

Vulnerability risk: High

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2024-51138

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Vigor2620 LTE
VigorLTE 200n
Vigor2133
Vigor2135
Vigor2762
Vigor2765
Vigor2766
Vigor2832
Vigor2860
Vigor2860 LTE
Vigor2862
Vigor2862 LTE
Vigor2865
Vigor2865 LTE
Vigor2865L-5G
Vigor2866
Vigor2866 LTE
Vigor2915
Vigor2925
Vigor2925 LTE
Vigor2926
Vigor2926 LTE
Vigor2927
Vigor2927 LTE
Vigor2927L-5G
Vigor2952
Vigor2952P
Vigor2962
Vigor3220
Vigor3910
Vigor3912

Software vendor:
DrayTek Corp.

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the URL parsing functionality of the TR069 STUN server. A remote unauthenticated attacker can send a specially crafted request, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install updates from vendor's website.

• http://draytek.com
• https://medium.com/faraday/advisory-multiple-vulnerabilities-affecting-draytek-routers-78a6cb8b3946
• https://www.draytek.com/about/security-advisory/buffer-overflow-vulnerabilities-(cve-2024-51138-cve-2024-51139)