Severity
High
Analysis Summary
CVE-2023-22922 CVSS:7.5
Zyxel NBG-418N is vulnerable to a denial of service, caused by a buffer overflow vulnerability. By sending crafted packets, a remote attacker could exploit this vulnerability to cause a denial of service.
CVE-2023-22923 CVSS:6.5
Zyxel NBG-418N is vulnerable to a denial of service, caused by a format string vulnerability in a binary. By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to cause a denial of service.
CVE-2023-22924 CVSS:4.9
Zyxel NBG-418N is vulnerable to a denial of service, caused by a buffer overflow vulnerability. By executing crafted CLI commands on a vulnerable device, a remote authenticated attacker could exploit this vulnerability to cause a denial of service.
CVE-2023-22921 CVSS:7.2
Zyxel NBG-418N is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVE-2023-22919 CVSS:8.8
Zyxel NBG6604 home router could allow a remote authenticated attacker to execute arbitrary commands on the system. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
Impact
- Denial of Service
- Cross-Site Scripting
- Command Execution
Indicators Of Compromise
CVE
- CVE-2023-22922
- CVE-2023-22923
- CVE-2023-22924
- CVE-2023-22921
- CVE-2023-22919
Affected Vendors
Zyxel
Affected Products
- Zyxel NBG-418N v2 firmware 1.00(AARP.13)C0
- Zyxel NBG6604 firmware 1.01(ABIR.0)C0
Remediation
Refer to Zyxel Web site for patch, upgrade or suggested workaround information.