PT-2019-11952 · Zyxel · Zyxel Nas326

Maxwell Dulin · Published 2019-04-09 · Updated 2019-04-10 · CVE-2019-10633

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Zyxel NAS 326 versions 5.21 and below

Description The issue is related to an eval injection vulnerability in the Python web server routing. This allows a remote authenticated attacker to execute arbitrary code via the "tjp6jp6y4", "simZysh", and "ck6fup6" APIs.

Recommendations For Zyxel NAS 326 versions 5.21 and below, consider disabling access to the "tjp6jp6y4", "simZysh", and "ck6fup6" APIs until a patch is available. Restrict access to the Python web server routing to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2019-10633

Affected Products

Zyxel Nas326

References · 3

• 🔥 http://maxwelldulin.com/BlogPost?post=3236967424 · Exploit
• https://osv.dev/vulnerability/CVE-2019-10633 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-10633 · Security Note