HOMEVULNERABILITIESCVE-2022-25478
HIGH

CVE-2022-25478

NVD-CWE-noinfoPublished: July 2, 2024· Updated: Jul 9, 2026

7.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-25478 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

realtek2 product(s)
rtsperrtsuer
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a
ADVISORYhttps://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf
ADVISORYhttps://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a
ADVISORYhttps://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf

All References (5)

→
https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408aThird Party Advisory
→
https://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdfVendor Advisory
→
https://zwclose.github.io/2024/10/14/rtsper1.html
→
https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408aThird Party Advisory
→
https://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdfVendor Advisory

Quick Facts

CVE IDCVE-2022-25478
CVSS Score7.8 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJul 2, 2024

Related CVEs (NVD-CWE-noinfo)

CVE-2005-3057
10.0
CVE-2021-46433
10.0
CVE-2000-1241
10.0
CVE-2009-1901
10.0
CVE-2009-1899
10.0
CVE-2008-7196
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-25478 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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