Will Zyxel GS1900 zero-day exploitation campaign compromise 5,000+ devices by Dec 2026?

Zyxel has patched a zero-day vulnerability in its GS1900 series network switches that hackers exploited to compromise nearly 1,000 devices worldwide, stealing configuration and credentials (Bleeping Computer). The question asks whether this active exploitation will scale significantly by year-end.

Resolution Criteria

YES if credible security researchers, CISA, or Zyxel publicly confirm 5,000+ unique devices compromised via this CVE by documented evidence (incident reports, advisories, telemetry summaries). NO if compromise count remains below 5,000 or patch adoption slows exploitation.