CVE-2025-9870: Razer Synapse 3 · Link Following
Affects Razer Synapse 3Source CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Razer Synapse 3 | Affected
| Fixed in– |
AI-suggested
1. Immediate mitigation involves restricting local user permissions to prevent unauthorized code execution and symbolic link creation. 2. Monitor and audit file system changes, especially in directories related to Razer Synapse 3 and Philips HUE modules. 3. Disable or uninstall the Philips HUE module if it is not required, reducing the attack surface. 4. Employ application whitelisting and endpoint protection solutions that can detect and block suspicious symbolic link creation or file deletion activities. 5. Network segmentation and limiting local user privileges can reduce the risk of initial low-privileged code execution. 6. Stay alert for official patches or updates from Razer and apply them promptly once available. 7. Use host-based intrusion detection systems (HIDS) to detect attempts to exploit this vulnerability. 8. Educate users about the risks of running untrusted code locally, as initial low-privileged code execution is a prerequisite for exploitation.
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.