CVE-2022-32548
10.0 · CRITICALOverview
CVE-2022-32548 is a critical-severity vulnerability affecting draytek vigor3910_firmware. It was published on August 29, 2022 and has a CVSS 3.1 base score of 10.0 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An issue was discovered on certain DrayTek Vigor routers before July 2022 such as the Vigor3910 before 4.3.1.1. /cgi-bin/wlogin.cgi has a buffer overflow via the username or password to the aa or ab field.
Remediation
Check the references section for vendor advisories and patches from draytek. Update vigor3910_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 | vigor3910_firmware | >= 0, < 4.3.1.1 | Affected |
| draytek | vigor1000b_firmware | >= 0, < 4.3.1.1 | Affected |
| draytek | vigor2962_firmware | >= 0, < 4.3.1.1 | Affected |
| draytek | vigor2962p_firmware | >= 0, < 4.3.1.1 | Affected |
| draytek | vigor2927_firmware | >= 0, < 4.4.0 | Affected |
| draytek | vigor2927ax_firmware | >= 0, < 4.4.0 | Affected |
| draytek | vigor2927ac_firmware | >= 0, < 4.4.0 | Affected |
| draytek | vigor2927vac_firmware | >= 0, < 4.4.0 | Affected |
| draytek | vigor2927l_firmware | >= 0, < 4.4.0 | Affected |
| draytek | vigor2927lac_firmware | >= 0, < 4.4.0 | Affected |
References
Frequently Asked Questions
What is CVE-2022-32548?
CVE-2022-32548 is a critical-severity vulnerability affecting draytek vigor3910_firmware. It was published on August 29, 2022 and has a CVSS 3.1 base score of 10.0 (CRITICAL).
How severe is CVE-2022-32548?
This vulnerability has a CVSS 3.1 base score of 10.0, 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-2022-32548?
Check the references section for vendor advisories and patches from draytek. Update vigor3910_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-2022-32548?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-32548 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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