CTI · reviewed · 2026-09-22

Zyxel GS1900 switch buffer overflow (CVE-2026-7273) added to CISA KEV

Full story & timeline

MITRE ATT&CK

• T1190 Exploit Public-Facing Application Initial Access
• T1068 Exploitation for Privilege Escalation Privilege Escalation

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://go.dhs.gov/Z3Q
• https://www.bleepingcomputer.com/news/security/cisa-alerts-of-active-exploitation-of-three-linux-kernel-flaws/