CVE-2022-25478: rtsper — Fix

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 provides read and write access to the PCI configuration space of the device.

Is your site exposed to CVE-2022-25478?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
realtek	rtsper	< 10.0.22000.21355
realtek	rtsuer	< 10.0.22000.31274

References

Advisories & Patches

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

Other References

http://realtek.com https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a https://zwclose.github.io/2024/10/14/rtsper1.html http://realtek.com https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a

Frequently Asked Questions

What is CVE-2022-25478? +

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 provides read and write access to the PCI configuration space of the device. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-25478? +

CVE-2022-25478 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2022-25478? +

CVE-2022-25478 affects products from realtek, specifically: rtsper, rtsuer. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-25478? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-8299 8.8

Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate …

CVE-2025-8300 8.8

Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate …

CVE-2025-8302 8.8

Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate …

CVE-2023-47677 8.8

A cross-site request forgery (csrf) vulnerability exists in the boa CSRF protection functionality of Realtek rtl819x Jungle SDK v3.4.11. A …

CVE-2022-25480 7.8

Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer driver for USB Card Reader …

CVE-2025-8301 7.8

Realtek RTL8811AU rtwlanu.sys N6CSet_DOT11_CIPHER_DEFAULT_KEY Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on …

CVE-2022-25478