Zyxel has released software updates to fix a serious security issue in certain access point (AP) and security router versions. This flaw could allow the execution of unauthorized commands.
The vulnerability known as CVE-2024-7261 (CVSS score: 9.8) involves an operating system (OS) command injection.
“The improper neutralization of special elements in the parameter ‘host’ in the CGI program of some AP and security router versions could allow an unauthenticated attacker to execute OS commands by sending a crafted cookie to a vulnerable device,” Zyxel said in an advisory.
Chengchao Ai from Fuzhou University’s ROIS team discovered and reported the flaw.
Zyxel has released updates for several vulnerabilities in its routers and firewalls. Some of these vulnerabilities are considered high severity and can lead to OS command execution, denial-of-service (DoS), or access browser-based information.on .
CVE-2024-5412 (CVSS score: 7.5) – A buffer overflow vulnerability in the “libclinkc” library allowing an attacker to cause DoS conditions via a specially crafted HTTP request
CVE-2024-6343 (CVSS score: 4.9) – “A buffer overflow vulnerability that could allow an attacker with administrator privileges to trigger DoS conditions by means of a specially crafted HTTP request”
CVE-2024-7203 (CVSS score: 7.2) – A vulnerability that allows an authenticated attacker with administrator privileges to execute OS commands
CVE-2024-42057 (CVSS score: 8.1) – A vulnerability in the IPSec VPN feature allowing an unauthenticated attacker to execute OS commands
CVE-2024-42058 (CVSS score: 7.5) – A vulnerability that could cause a denial-of-service (DoS) condition by sending crafted packets without user authentication
CVE-2024-42059 (CVSS score: 7.2) – A command injection vulnerability that allows an authenticated attacker with admin privileges to execute OS commands by uploading a crafted compressed language file via FTP
CVE-2024-42060 (CVSS score: 7.2) – A post-authentication command injection vulnerability in some firewall versions could allow an authenticated attacker with administrator privileges to execute some OS commands
CVE-2024-42061 (CVSS score: 6.1) – A vulnerability that allows an attacker to manipulate a user into visiting a malicious URL and obtaining browser-based information.