Realtek vulnerabilities

Records are attributed to Realtek from the vendor named in the source records. About the data.

CVE records per year

CVE records published per year for Realtek
CVE records published per year for RealtekBar chart of CVE records attributed to Realtek per publication year, 2017 to 2026. 2026 is not finished.01020302020: 1 CVE records2021: 3 CVE records2022: 7 CVE records2023: 1 CVE records2024: 25 CVE records2025: 6 CVE records2026: 4 CVE records (period not finished)4252017201820192020202120222023202420252026
Show data as a table
YearCVE records
20170
20180
20190
20201
20213
20227
20231
202425
20256
20264

2026 is partial (through 28 Oct 2026), shown in a lighter bar.

Severity by publication year. "Critical or high" is the share of scored records; "Not scored" is the share of all records.
YearRecordsCriticalHighCritical or highNot scored
2026404100%0%
202560583.3%0%
20242502288%0%
2023101100%0%
20227000%0%
202132066.7%0%
2020110100%0%
2019000——
2018000——
2017000——
Before 20171

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Exploited vulnerabilities in CISA's KEV catalog

CVEProductNameAddedRansomware
CVE-2014-8361SDKRealtek SDK Improper Input Validation Vulnerability2023-09-18Unknown
CVE-2021-35394Jungle Software Development Kit (SDK)Realtek Jungle SDK Remote Code Execution Vulnerability2021-12-10Unknown
CVE-2021-35395AP-Router SDKRealtek AP-Router SDK Buffer Overflow Vulnerability2021-11-03Unknown

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.

Highest exploit-prediction scores (EPSS)

EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring Realtek records today.

CVEEPSSPercentileSeverityIn KEV
CVE-2014-8361100%100%CriticalYes
CVE-2021-3539499.9%100%CriticalYes
CVE-2021-3539598.1%99.9%CriticalYes
CVE-2023-503813.2%88.1%HighNo
CVE-2023-503821.9%79.9%HighNo
CVE-2023-503831.9%79.9%HighNo
CVE-2022-407401.5%74.5%HighNo
CVE-2023-478561.4%72.6%HighNo
CVE-2023-502391.4%72.6%HighNo
CVE-2023-502401.4%72.6%HighNo

Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.

All vendors · KEV catalog overview