Format String Vulnerability in Zyxel NAS326 Firmware
CVE-2022-34747

9.8CRITICAL

Key Information:

Vendor

Zyxel
Status
Zyxel Nas326 Firmware
Vendor
CVE Published:
6 September 2022

What is CVE-2022-34747?

A format string vulnerability exists in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0, which could be exploited by an attacker to execute malicious code remotely. This exploitation occurs through the transmission of specially crafted UDP packets, potentially allowing unauthorized access and control of the device.

Affected Version(s)

Zyxel NAS326 firmware < V5.21(AAZF.12)C0

References

https://www.zyxel.com/support/Zyxel-security-advisory-for...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2022-34747 : Format String Vulnerability in Zyxel NAS326 Firmware