HIGH · 7.5

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 ...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
ZyxelNas326 Firmware<= 5.21\(aazf.14\)c0
ZyxelNas326-
ZyxelNas542 Firmware<= 5.21\(abag.11\)c0
ZyxelNas542-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2023-35137?

CVE-2023-35137 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2023-35137?

CVE-2023-35137 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-35137?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Nas326 Firmware, Zyxel Nas326, Zyxel Nas542 Firmware, Zyxel Nas542.