What is CVE-2023-27988?

CVE-2023-27988 is a high-severity vulnerability in Zyxel Nas326 Firmware, classified under OS Command Injection. CVSS score: 7.2/10. Published 2023-05-30.

How severe is CVE-2023-27988?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2023-27988 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Zyxel Nas326 Firmware

CVE-2023-27988

The post-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.13)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on a…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.005 (68.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zyxel Nas326 Firmware — versions < V5.21(AAZF.13)C0

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

attilaszia/linux-iot-cves

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for…

Frequently asked questions

What is CVE-2023-27988?: CVE-2023-27988 is a high-severity vulnerability in Zyxel Nas326 Firmware, classified under OS Command Injection. CVSS score: 7.2/10. Published 2023-05-30.
How severe is CVE-2023-27988?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-27988 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.