CVE-2022-25480: realtek rtsper Out-of-bounds Write
CVSS: 7.8v3.1HighModified
Published 02-07-2024Last modified 09-07-2026
Vulnerability summary
CVE-2022-25480 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in realtek rtsper. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 02-07-2024PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
0.00 pp
From 0.19% on 19-09-2026
19-09-202619-10-2026
EPSS score0.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 2 products
References
3 links- gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408aThird Party Advisory