CVE-2025-9870 Razer Synapse 3 RazerPhilipsHueUninstall Link Following Local Privilege Escalation Vulnerability

High 7.8 Published 29 Oct 2025 Updated 26 Feb 2026

Local attackers can escalate privileges to SYSTEM by exploiting a symbolic link vulnerability in the Philips HUE module installer.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-9870?

CVE-2025-9870 is a high-severity path traversal vulnerability in Razer Synapse 3, published on 29 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Razer Synapse 3 RazerPhilipsHueUninstall Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Razer Synapse 3. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the Philips HUE module installer. By creating a symbolic link, an attacker can abuse the installer to delete arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-26375.

Weakness: CWE-59

Which versions are affected by CVE-2025-9870?

It affects 1 product.

Products include Razer Synapse.

How do I fix CVE-2025-9870?

No fix has been published for CVE-2025-9870 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-9870 being exploited?

There is no known exploitation of CVE-2025-9870 in the wild and no public exploit code.

Sources

Also known as GHSA-x73c-96p4-3xvv.