CVE-2022-25478
CVE-2022-25478 is a high-severity vulnerability in Realtek Rtsper with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2022-30148
- Affected product: Realtek Rtsper
- Published:
- Last modified:
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.
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.
- How severe is CVE-2022-25478?
- CVE-2022-25478 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-25478 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-25478?
- CVE-2022-25478 primarily affects Realtek Rtsper. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-25478?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2022-25478 have an EU (EUVD) identifier?
- Yes. CVE-2022-25478 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-30148.
- When was CVE-2022-25478 published?
- CVE-2022-25478 was published on 2024-07-02 and last updated on 2026-07-05.
References
- https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a
- https://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf
- https://zwclose.github.io/2024/10/14/rtsper1.html
- http://realtek.com
Affected products (2)
- cpe:2.3:a:realtek:rtsper:*:*:*:*:*:*:*:*
- cpe:2.3:a:realtek:rtsuer:*:*:*:*:*:*:*:*
More vulnerabilities in Realtek Rtsper
- CVE-2022-25480 — High (CVSS 7.8): Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer…
- CVE-2022-25479 — Medium (CVSS 5.5): Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer…
- CVE-2022-25477 — Medium (CVSS 5.5): Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer…