What is CVE-2025-9871?

CVE-2025-9871 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-2025-9871?

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

Vulnerability in Razer Synapse

CVE-2025-9871

Razer Synapse 3 Chroma Connect 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 abilit…

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-2025-9871?: CVE-2025-9871 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-2025-9871?: High severity. CVSS v3 base score is 7.8 out of 10.