CVE-2025-12943: Improper certificate validation in firmware update logic in NETGEAR RAX30 and RAXE300
Improper certificate validation in firmware update logic in NETGEAR RAX30 (Nighthawk AX5 5-Stream AX2400 WiFi 6 Router) and RAXE300 (Nighthawk AXE7800 Tri-Band WiFi 6E Router) allows attackers with the ability to intercept and tamper traffic destined to the device to execute arbitrary commands on the device.
Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update to the latest.
Fixed in:
RAX30 firmware 1.0.14.108 or later.
RAXE300 firmware 1.0.9.82 or later
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2025-12943?
CVE-2025-12943 is classified as a high severity vulnerability due to improper certificate validation in firmware update logic.
How do I fix CVE-2025-12943?
To fix CVE-2025-12943, update your NETGEAR RAX30 or RAXE300 router to the latest firmware version available.
Which devices are affected by CVE-2025-12943?
The affected devices include the NETGEAR RAX30 and NETGEAR RAXE300 routers.
What are the potential consequences of CVE-2025-12943?
Exploitation of CVE-2025-12943 could allow attackers to intercept and tamper with traffic destined for the device.
When was CVE-2025-12943 disclosed?
CVE-2025-12943 was disclosed in November 2025.