OS Command Injection in ZyXEL Communications Corp. products - CVE-2024-7261

Vulnerability identifier: #VU96715

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2024-7261

CWE-ID: CWE-78

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: ZyXEL Communications Corp.

Affected software:
NWA50AX
NWA50AX PRO
NWA55AXE
NWA90AX
NWA90AX PRO
NWA130BE
NWA220AX-6E
NWA1123-AC PRO
WAX300H
WAX620D-6E
WAX630S
WAX640S-6E
WAX655E
WBE530
WBE660S
USG LITE 60AX
NWA110AX
NWA210AX
NWA1123ACv3
WAC500
WAC500H
WAC6103D-I
WAC6502D-S
WAC6503D-S
WAC6552D-S
WAC6553D-E
WAX510D
WAX610D
WAX650S

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper neutralization of special elements in the "host" parameter in the CGI program. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install updates from vendor's website.

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-os-command-injection-vulnerability-in-aps-and-security-router-devices-09-03-2024