SB2022122103 - DNS misconfiguration in Zyxel NBG7510 home router
Published: December 21, 2022
Security Bulletin ID
SB2022122103
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authorization (CVE-ID: CVE-2022-38546)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a DNS misconfiguration. A remote non-authenticated attacker can perform DNS-related attacks, such as DNS tunneling or DNS amplification attacks, by using the open DNS resolver when the device is switched to the AP mode.Remediation
Install update from vendor's website.