Zyxel known exploited vulnerabilities
Every Zyxel CVE on CISA's Known Exploited Vulnerabilities catalog, newest addition first: 13 in all, 1 added in the last 12 months.
- CVE-2024-11667A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX seriZyxel ATP series firmware · Zyxel USG FLEX series firmwa… +2
- CVE-2017-6884A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8.
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Frequently asked questions
How many Zyxel vulnerabilities are in CISA KEV?
13 Zyxel vulnerabilities are on CISA's Known Exploited Vulnerabilities catalog, 1 of them added in the last 12 months. The newest is CVE-2026-7273 (Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability), added 2026-09-21.
Which Zyxel products are in CISA KEV?
7 products, including GS1900 Series Switches, DSL CPE Devices, Multiple Firewalls. Attackers have exploited every one of these entries in the wild, and US federal agencies must patch each by its CISA due date.
Are Zyxel KEV vulnerabilities used by ransomware?
CISA knows ransomware campaigns exploit 2 of the 13 Zyxel entries.