Zyxel security advisory (AV26-603)
ID: b503f3a9-891f-5030-9891-5f992045e698
STIX ID: report--b503f3a9-891f-5030-9891-5f992045e698
Feed Name: Canadian Centre for Cyber Security Alerts and Advisories
Threat Score
On June 16, 2026 Zyxel published advisory AV26-603 disclosing vulnerabilities in GS1900 series switches (multiple models and versions); the Cyber Centre recommends administrators review the vendor links and apply the available updates.
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