CVE-2026-10664: The nRF70 Wi-Fi driver's power-save event handler nrf_wifi_event_proc_get_power_save_info() in drivers/wifi/nr

Q: How do I fix CVE-2026-10664?

zephyr: upgrade to 4.5.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-10664 being exploited?

CVE-2026-10664 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-10664 affect?

CVE-2026-10664 affects zephyr. Severity is medium (CVSS 5.0). The nRF70 Wi-Fi driver's power-save event handler nrf_wifi_event_proc_get_power_save_info() in drivers/wifi/nrf_wifi/src/wifi_mgmt.c copied TWT (Target Wake Time) flow entries from an nrf_wifi_umac_event_power_save_info event into the fixed

Q: How urgent is CVE-2026-10664?

Priority 26/100. Public exploit reference

Routine

MEDIUM 5.0UPGRADE

CVE-2026-10664 is a medium-severity flaw (CVSS 5.0) affecting zephyr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The nRF70 Wi-Fi driver's power-save event handler nrf_wifi_event_proc_get_power_save_info() in drivers/wifi/nrf_wifi/src/wifi_mgmt.c copied TWT (Target Wake Time) flow entries from an nrf_wifi_umac_event_power_save_info event into the fixed-size twt_flows[WIFI_MAX_TWT_FLOWS] (8-element) array of a caller-supplied struct wifi_ps_config, looping over event-provided num_twt_flows without validating it against WIFI_MAX_TWT_FLOWS or checking event_len

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
Attack vector	Adjacent network
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-07-12
Last modified	2026-10-24

Publisher (CNA): Zephyr Project · Vendor: zephyrproject

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-12 17:16 UTCPublished CVE record published
2026-10-24 22:10 UTCUpdated Record last modified

zephyrproject zephyr UPGRADE

Affected: >= 4.0.0 and < 4.5.0

Fixed in: 4.5.0

Safe to downgrade to: a release before 4.0.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-10664?

zephyr: upgrade to 4.5.0. Exact commands for each OS are on this page.

Is CVE-2026-10664 being exploited?

CVE-2026-10664 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-10664 affect?

CVE-2026-10664 affects zephyr. Severity is medium (CVSS 5.0). The nRF70 Wi-Fi driver's power-save event handler nrf_wifi_event_proc_get_power_save_info() in drivers/wifi/nrf_wifi/src/wifi_mgmt.c copied TWT (Target Wake Time) flow entries from an nrf_wifi_umac_event_power_save_info event into the fixed

How urgent is CVE-2026-10664?

Priority 26/100. Public exploit reference

Software pages

Wi-Fi vulnerabilities

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References

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