Stack-based buffer overflow in D-Link products - CVE-2022-41140
Published: September 21, 2022
Vulnerability identifier: #VU67536
CSH Severity: High
CVSS v4.0: 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-2022-41140
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: D-Link
Affected software:
DIR-878
DIR-882-US
DIR-867
DIR-878
DIR-882-US
DIR-867
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the lighttpd service when handling HTTP requests. A remote unauthenticated attacker can send a specially crafted HTTP request to port 80/tcp on the affected device, trigger a 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.
How to mitigate CVE-2022-41140
Install updates from vendor's website.
| Model | Hardware Revision | Affected FW | Fixed FW | Recommendation | Last Updated |
| DIR-867 | All Ax Hardware Revisions | v1.30B07 & Below | Under Development |
Pending Release |
03/04/2022 |
| DIR-878 | All Ax Hardware Revisions | v1.30B08-Hotfix & Below | v1.30b08_Beta_Hotfix | Upgrade to Beta Hotfix | 04/01/2022 |
| DIR-882-US | All Ax Hardware Revisions | v1.30B06-Hotfix & Below | Under Development | Pending Release | 03/04/2022 |