High severity7.5NVD Advisory· Published Sep 3, 2024· Updated Jun 17, 2026

CVE-2024-42058

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Zyxel/Zld
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*
Range: >=4.32,<5.39
Zyxel/ATP series firmwarellm-fuzzy
Zyxel/USG FLEX series firmwarellm-fuzzy
Zyxel/USG20(W)-VPN series firmwarellm-fuzzy
Zyxel/ATP seriescpe-rescue
Range: versions V4.32 through V5.38
Zyxel/USG FLEX seriescpe-rescue2 versions
versions V5.20 through V5.38+ 1 more
- (no CPE)range: versions V5.20 through V5.38
- (no CPE)range: versions V4.50 through V5.38
Zyxel/USG20(W)-VPN seriescpe-rescue
Range: versions V5.20 through V5.38

Patches

Vulnerability mechanics

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-09-03-2024nvdVendor Advisory

News mentions

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