What is CVE-2025-9870?

CVE-2025-9870 is a high-severity vulnerability in Razer Synapse, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2025-10-29.

How severe is CVE-2025-9870?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Razer Synapse

CVE-2025-9870

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…

EPSS: 0.002 (7.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Razer Synapse
Razer Synapse 3 — versions 3.10.228.21112

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2025-9870?: CVE-2025-9870 is a high-severity vulnerability in Razer Synapse, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2025-10-29.
How severe is CVE-2025-9870?: High severity. CVSS v3 base score is 7.8 out of 10.