CVE-2026-7273
גבוהה 8.8 מנוצלת בשטח (KEV)
ניצול פעיל מאומת — קטלוג CISA KEV
- שם
- Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability
- נוסף לקטלוג
- יעד טיפול (פדרלי)
- פעולה נדרשת
- 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.
תיאור (מקור, אנגלית)
A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
מדדים
- CVSS 3.1
-
8.8 (HIGH)
מקור הציון: CNA
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — סבירות ניצול
- 2% (אחוזון 100) נכון ל-22/9/2026
- CWE
- CWE-121
מוצרים מושפעים
zyxel: gs1900-8 firmware; zyxel: gs1900-8; zyxel: gs1900-8hp firmware; zyxel: gs1900-8hp; zyxel: gs1900-10hp firmware; zyxel: gs1900-10hp; zyxel: gs1900-16 firmware; zyxel: gs1900-16; zyxel: gs1900-24 firmware; zyxel: gs1900-24; zyxel: gs1900-24e firmware; zyxel: gs1900-24e; zyxel: gs1900-24ep firmware; zyxel: gs1900-24ep; zyxel: gs1900-24hpv2 firmware
קישורים
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-adv… Vendor Advisory
- https://www.greynoise.io/blog/open-season-on-kapibala-attacker-steals-governme… ExploitThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-202… Third Party AdvisoryUS Government Resource