{"id":"cisa-kev-cve-2026-7273","seq":38,"kind":"advisory","title":"[悪用確認] CVE-2026-7273: Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7273","permalink":"https://vulnpulse.app/items/cisa-kev-cve-2026-7273","summary":"Zyxel GS1900 Series Switches\nZyxel GS1900 series switches contain a stack-based buffer overflow vulnerability in the CGI program which could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.\n対応: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. (期限 2026-09-24)","severity":"critical","techs":[],"cves":["CVE-2026-7273"],"tags":["exploited","kev","Zyxel","GS1900 Series Switches"],"source":{"id":"cisa-kev","name":"CISA Known Exploited Vulnerabilities"},"published_at":"2026-09-21T00:00:00.000Z","fetched_at":"2026-10-21T16:17:45.406Z"}