What is CVE-2023-37927?

CVE-2023-37927 is a high-severity vulnerability in Zyxel Nas326 Firmware, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-11-30.

How severe is CVE-2023-37927?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Zyxel Nas326 Firmware

CVE-2023-37927

The improper neutralization of special elements in the CGI program of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (O…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.010 (77.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zyxel Nas326 Firmware — versions V5.21(AAZF.14)C0
Zyxel Nas542 Firmware — versions V5.21(ABAG.11)C0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

Frequently asked questions

What is CVE-2023-37927?: CVE-2023-37927 is a high-severity vulnerability in Zyxel Nas326 Firmware, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-11-30.
How severe is CVE-2023-37927?: High severity. CVSS v3 base score is 8.8 out of 10.