How severe is CVE-2025-12943?

CVE-2025-12943 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-12943 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12943?

CVE-2025-12943 primarily affects Netgear Rax30 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-12943?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-12943 have an EU (EUVD) identifier?

Yes. CVE-2025-12943 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-93539.

When was CVE-2025-12943 published?

CVE-2025-12943 was published on 2025-11-11 and last updated on 2026-06-17.

CVE-2025-12943

CVE-2025-12943 is a high-severity vulnerability in Netgear Rax30 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 5.2
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-93539
Weakness: CWE-295
Affected product: Netgear Rax30 Firmware
Published: 2025-11-11
Last modified: 2026-06-17

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

Frequently asked questions

What is 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
How severe is CVE-2025-12943?: CVE-2025-12943 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-12943 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12943?: CVE-2025-12943 primarily affects Netgear Rax30 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-12943?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-12943 have an EU (EUVD) identifier?: Yes. CVE-2025-12943 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-93539.
When was CVE-2025-12943 published?: CVE-2025-12943 was published on 2025-11-11 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:netgear:rax30_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:raxe300_firmware:*:*:*:*:*:*:*:*

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