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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-25477

21
FAUCET Score

CVE-2022-25477 is a vulnerability in Realtek RtsPer and RtsUer drivers for PCIe and USB card readers, respectively, that leaks kernel mode object addresses through driver logs. This weakness, rated Medium (CVSS 5.5), primarily impacts the confidentiality of system information by weakening Kernel Address Space Layout Randomization (KASLR) on affected systems. Exploitation requires local access, but it is low complexity and does not require user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.0.22000.21355CPE matchmatch criteria
cpe:2.3:a:realtek:rtsper:*:*:*:*:*:*:*:*
< 10.0.22000.31274CPE matchmatch criteria
cpe:2.3:a:realtek:rtsuer:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 54th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gist.github.com / zwclose/feb16f1424779a61cb1d9f6d5681408a
Third Party Advisory
realtek.com / images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf
Vendor Advisory
zwclose.github.io / 2024/10/14/rtsper1.html