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CVE-2025-68656

6.8 · MEDIUM

Espressif ESP-IDF USB Host HID (Human Interface Device) Driver allows access to HID devices.

Published Jan 12, 2026CWE-416EPSS 0.22%

Overview

CVE-2025-68656 is a medium-severity vulnerability. It was published on January 12, 2026 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Espressif ESP-IDF USB Host HID (Human Interface Device) Driver allows access to HID devices. Prior to 1.1.0, usb_class_request_get_descriptor() frees and reallocates hid_device->ctrl_xfer when an oversized descriptor is requested but continues to use the stale local pointer, leading to an immediate use-after-free when processing attacker-controlled Report Descriptor lengths. This vulnerability is fixed in 1.1.0.

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

Refcomponents.espressif.com/components/espressif/usb_host_hid/versions/1.1.0/changelogGitHubgithub.com/espressif/esp-usb/commit/81b37c96593c0bec92ef14c6ee6bf8cab8d8f660GitHubgithub.com/espressif/esp-usb/security/advisories/GHSA-2pm2-62mr-c9x7

How CyberStrike helps

Frequently asked questions

What is CVE-2025-68656?

CVE-2025-68656 is a medium-severity vulnerability. It was published on January 12, 2026 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2025-68656?

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. 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-2025-68656?

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-2025-68656?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-68656 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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