Is it safe to upgrade your GS1900-8HP from v2.90(AAHI.0) to v2.90(AAHI.2)?

Zyxel_Tina

Question

Can I directly upgrade my GS1900-8HP from V2.90(AAHI.0) to V2.90(AAHI.2)?

Answer

Yes, it is safe to upgrade the GS1900-8HP directly from V2.90(AAHI.0) to V2.90(AAHI.2). We have tested this upgrade path successfully without any issues.

Please make sure to use the firmware intended for your exact device model before performing the upgrade.

Why should I upgrade to V2.90(AAHI.2)?

At the time of writing, the latest firmware - V2.90(AAHI.2) - includes a security fix for CVE-2026-7273, a pre-authentication buffer overflow vulnerability in the GS1900 series switch firmware. GS1900-8HP devices running earlier firmware is affected, while V2.90(AAHI.2) contains the security patch.

For security reasons, we strongly recommend upgrading your GS1900-8HP to V2.90(AAHI.2) to ensure the device has the latest security fixes.