Multiple DrayTek Vigor Routers buffer overflow | CVE-2022-32548
NAME
Multiple DrayTek Vigor Routers buffer overflow
- Platforms Affected:
DrayTek Vigor3910 4.3
DrayTek Vigor1000B 4.3
DrayTek Vigor2962 4.3
DrayTek Vigor2927 4.3
DrayTek Vigor2927 LTE 4.3
DrayTek Vigor2915 4.3
DrayTek Vigor2952 3.9
DrayTek Vigor3220 3.9
DrayTek Vigor2926 3.9
DrayTek Vigor2926 LTE 3.9
DrayTek Vigor2862 3.9
DrayTek Vigor2862 LTE 3.9
DrayTek Vigor2620 LTE 3.9
DrayTek VigorLTE 200n 3.9
DrayTek Vigor2133 3.9
DrayTek Vigor2762 3.9 - Risk Level:
10 - Exploitability:
Unproven - Consequences:
Gain Access
DESCRIPTION
Multiple DrayTek Vigor Routers are vulnerable to a buffer overflow, caused by improper bounds checking by the /cgi-bin/wlogin.cgi script. By sending specially-crafted username and/or password as base64 encoded strings inside the fields aa and ab of the login page, a remote attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition on the device.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Upgrade to the latest version of DrayTek Vigor Routers, available from the DrayTek Web site. See References.
- Reference Link:
https://www.trellix.com/en-us/about/newsroom/stories/threat-labs/rce-in-dratyek-routers.html - Reference Link:
https://www.draytek.com/support/latest-firmwares/
A considerable amount of time and effort goes into maintaining this website, creating backend automation and creating new features and content for you to make actionable intelligence decisions. Everyone that supports the site helps enable new functionality.
If you like the site, please support us on Patreon using the button below
To keep up to date follow us on the below channels.
