Vulnerability Monitor

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CVE-2023-4397

A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device.

Published

2023-11-28T02:15:42.990

Last Modified

2024-11-21T08:35:03.707

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.4 (MEDIUM)

Weaknesses

Type: Primary
CWE-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	zyxel	zld	5.37	Yes
Hardware	zyxel	atp100	-	No
Hardware	zyxel	atp100w	-	No
Hardware	zyxel	atp200	-	No
Hardware	zyxel	atp500	-	No
Hardware	zyxel	atp700	-	No
Hardware	zyxel	atp800	-	No
Operating System	zyxel	zld	5.37	Yes
Hardware	zyxel	usg_flex_100	-	No
Hardware	zyxel	usg_flex_100w	-	No
Hardware	zyxel	usg_flex_200	-	No
Hardware	zyxel	usg_flex_50	-	No
Hardware	zyxel	usg_flex_500	-	No
Hardware	zyxel	usg_flex_50w	-	No
Hardware	zyxel	usg_flex_700	-	No
Operating System	zyxel	zld	5.37	Yes
Hardware	zyxel	usg_20w-vpn	-	No
Hardware	zyxel	vpn50w	-	No

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps Vendor Advisory ([email protected])
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)