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CVE-2025-12943

7.5 · HIGH

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…

Published Nov 11, 2025CWE-295EPSS 0.17%

Overview

CVE-2025-12943 is a high-severity vulnerability. It was published on November 11, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refkb.netgear.com/000070355/NETGEAR-Security-Advisories-November-2025Refwww.netgear.com/support/product/rax30Refwww.netgear.com/support/product/raxe300

How CyberStrike helps

Frequently asked questions

What is CVE-2025-12943?

CVE-2025-12943 is a high-severity vulnerability. It was published on November 11, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-12943?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-12943?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-12943?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-12943 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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