What’s Vulnerable › Products

Zyxel GS1900-8 firmware vulnerabilities

17 known vulnerabilities, 1 confirmed exploited in the wild (CISA KEV), 3 published in the last 12 months.

Check whether your Zyxel GS1900-8 firmware version is affected

Exploited Zyxel GS1900-8 firmware vulnerabilities

• CVE-2026-7273 — Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability

Latest Zyxel GS1900-8 firmware vulnerabilities

• CVE-2026-7273 — Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability (CVSS 8.8) — exploited
• CVE-2024-8882 — (CVSS 4.5)
• CVE-2024-8881 — (CVSS 6.8)
• CVE-2024-38270 — (CVSS 6.5)
• CVE-2023-35140 — (CVSS 5.5)
• CVE-2022-45853 — (CVSS 6.7)
• CVE-2022-34746 — (CVSS 5.9)
• CVE-2021-35032 — (CVSS 7.8)
• CVE-2021-35031 — (CVSS 8.0)
• CVE-2021-35030 — (CVSS 4.3)
• CVE-2019-15804 — (CVSS 7.5)
• CVE-2019-15803 — (CVSS 9.1)
• CVE-2019-15802 — (CVSS 5.9)
• CVE-2019-15801 — (CVSS 7.5)
• CVE-2019-15800 — (CVSS 9.8)
• CVE-2019-15799 — (CVSS 8.8)
• CVE-2015-7256 — (CVSS 5.9)