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CVE-2025-62525

7.9 · HIGH

OpenWrt Project is a Linux operating system targeting embedded devices.

Published Oct 22, 2025CWE-20EPSS 0.19%

Overview

CVE-2025-62525 is a high-severity vulnerability. It was published on October 22, 2025 and has a CVSS 3.1 base score of 7.9 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

OpenWrt Project is a Linux operating system targeting embedded devices. Prior to version 24.10.4, local users could read and write arbitrary kernel memory using the ioctls of the ltq-ptm driver which is used to drive the datapath of the DSL line. This only effects the lantiq target supporting xrx200, danube and amazon SoCs from Lantiq/Intel/MaxLinear with the DSL in PTM mode. The DSL driver for the VRX518 is not affected. ATM mode is also not affected. Most VDSL lines use PTM mode and most ADSL lines use ATM mode. OpenWrt is normally running as a single user system, but some services are sandboxed. This vulnerability could allow attackers to escape a ujail sandbox or other contains. This is fixed in OpenWrt 24.10.4. There are no workarounds.

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

GitHubgithub.com/openwrt/openwrt/commit/2a76abc5442e3f74d95b4caa9bb57e5488fc132eGitHubgithub.com/openwrt/openwrt/commit/e001b31163a77683ee741d169f794cfa50926f37GitHubgithub.com/openwrt/openwrt/security/advisories/GHSA-h427-frpr-7cqrRefopenwrt.org/advisory/2025-10-22-2

How CyberStrike helps

Frequently asked questions

What is CVE-2025-62525?

CVE-2025-62525 is a high-severity vulnerability. It was published on October 22, 2025 and has a CVSS 3.1 base score of 7.9 (HIGH).

How severe is CVE-2025-62525?

This vulnerability has a CVSS 3.1 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-62525?

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-2025-62525?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-62525 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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