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Zyxel announces RCE patches for numerous network devices

Healthcareitnews • February 25, 2026

... vulnerability affecting more than a dozen models. The ... Zyxel has released a security advisory and patches for network security vulnerabilities ...

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Zyxel Addresses Critical RCE Flaw in Multiple Router Models Zyxel has issued security updates for a critical remote command execution vulnerability, tracked as CVE-2025-13942, affecting various router models. The flaw exists in the UPnP function, allowing unauthenticated attackers to execute arbitrary OS commands on unpatched devices. Affected devices include Zyxel's 4G LTE/5G NR CPE, DSL/Ethernet CPE, Fiber ONTs, and wireless extenders. 11 sources 68

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Zyxel