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Vulnerability · Published Sep 3, 2024 · Assigned by Zyxel

CVE-2024-42058

High 7.5

In plain English

A high-severity null pointer dereference in ATP series firmware from Zyxel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 50.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V5.20 through V5.38, and USG20(W)-VPN series firmware versions from V5.20 through V5.38 could allow an unauthenticated attacker to cause DoS conditions by sending crafted packets to a vulnerable device.

Affected products (as reported)

VendorProductVersions
Zyxel ATP series firmware versions V4.32 through V5.38
Zyxel USG FLEX series firmware versions V4.50 through V5.38
Zyxel USG FLEX 50(W) series firmware versions V5.20 through V5.38
Zyxel USG20(W)-VPN series firmware versions V5.20 through V5.38

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References