CVE-2023-35137

An improper authentication vulnerability in the authentication module of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to obtain system information by sending a crafted URL to a vulnerable device.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

Potential Mitigations

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/114.html
• https://cwe.mitre.org/data/definitions/115.html
• https://cwe.mitre.org/data/definitions/151.html
• https://cwe.mitre.org/data/definitions/194.html
• https://cwe.mitre.org/data/definitions/22.html
• https://cwe.mitre.org/data/definitions/57.html
• https://cwe.mitre.org/data/definitions/593.html
• https://cwe.mitre.org/data/definitions/633.html
• https://cwe.mitre.org/data/definitions/650.html
• https://cwe.mitre.org/data/definitions/94.html

References

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products