What is CVE-2025-12943?

CVE-2025-12943 is a high-severity vulnerability in NETGEAR Rax30, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2025-11-11.

How severe is CVE-2025-12943?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in NETGEAR Rax30

CVE-2025-12943

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

Vulnerability class: Improper Certificate Validation

EPSS: 0.002 (4.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

a2826606-91e7-4eb6-899e-8484bd4575d5 (Product, product, patch)
a2826606-91e7-4eb6-899e-8484bd4575d5 (Product, product, patch)
a2826606-91e7-4eb6-899e-8484bd4575d5 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-12943?: CVE-2025-12943 is a high-severity vulnerability in NETGEAR Rax30, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2025-11-11.
How severe is CVE-2025-12943?: High severity. CVSS v3 base score is 7.5 out of 10.