CVE-2022-25480
Realtek
- Published
- 2 July 2024
- Last modified
- 9 July 2026
- CVSS
- 7.8 v3.1
- Severity
- high
- EPSS
- 0.2% (9th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-787
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer driver for USB Card Reader (RtsUer.sys) before 10.0.22000.31274 allows writing to kernel memory beyond the SystemBuffer of the IRP.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 0.2% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| Rtsper | Realtek | unknown | < 10.0.22000.21355 |
References
Vendor advisory and patch
- https://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf
- https://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf
- https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a third-party
- https://zwclose.github.io/2024/10/14/rtsper1.html
- https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a third-party
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.