CVE-2019-10631

Name: CVE-2019-10631
Creator: NVD / NIST
Published: 2019-04-09T05:29:00.293+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.29%

Last modified Jun 17, 2026

CVE-2019-10631 is a vulnerability of currently unknown severity. Shell Metacharacter Injection in the package installer on Zyxel NAS 326 version 5.21 and below allows an authenticated attacker to execute arbitrary code via multiple different requests.. EPSS estimates a 2.29% chance of exploitation in the next 30 days.

Description

Shell Metacharacter Injection in the package installer on Zyxel NAS 326 version 5.21 and below allows an authenticated attacker to execute arbitrary code via multiple different requests.

Metrics

EPSS Probability

2.29%

81.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Zyxel	Nas326 Firmware	<= 5.21

References

http://maxwelldulin.com/BlogPost?post=3236967424Exploit, Third Party Advisory
http://maxwelldulin.com/BlogPost?post=3236967424Exploit, Third Party Advisory

Timeline

Published: Apr 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-10631?

Shell Metacharacter Injection in the package installer on Zyxel NAS 326 version 5.21 and below allows an authenticated attacker to execute arbitrary code via multiple different requests.

How severe is CVE-2019-10631?

Severity scoring for CVE-2019-10631 is pending analysis. The EPSS model estimates a 2.29% probability of exploitation in the next 30 days.

How do I fix CVE-2019-10631?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-10631?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST