Taiwan Headquarters
Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Communications Network Products
- Network Interface Controller & Single Port PHYceiver
Email: nicfae@realtek.com - DHC
Email: dhcfae@realtek.com - Switch Controllers & Multi-Ports PHYceivers
Email: switchfae@realtek.com - Wireless LAN ICs
Email: wlanfae@realtek.com - Wired/Wireless Broadband Gateway/Router SoC
Email: socfae@realtek.com - DTV Demodulators
Email: dtvfae@realtek.com - Automotive Ethernet
Email: amnicfae@realtek.com
Computer Peripheral Products
- AC'97/HD Audio CODECs & Sound ICs
Email: pctech@realtek.com - PC HD Audio Codecs/Consumer Audio Codecs/Audio Amplifier/Voice DSP/Card Reader/USB Hub/PC Camera
Email: pctech@realtek.com
Multimedia Products
- LCD Monitor Controllers
Email: mmtech@realtek.com
Report a Network Security Related Issue
- If you believe you have discovered a network security or vulnerability issue in a Realtek product, please describe the product / part number and the issue in an email to the below contact window, we will check and improve as soon as possible.
Email: security@realtek.com
Security Advisory Publication
- [CVE-2019-19705] Realtek Audio Drivers for Windows – DLL preloading and potential Abuses
- [CVE-2021-27372] Realtek xPON router - Insecure credentials leakage
- [CVE-2021-32537] Realtek High Definition Audio Windows driver RTKVHD64.sys Vulnerability
- [CVE-2021-35392][CVE-2021-35393][CVE-2021-35394][CVE-2021-35395] Realtek AP Router SDK Vulnerabilities
- [CVE-2021-36922][CVE-2021-36923][CVE-2021-36924][CVE-2021-36925] Realtek RtsUpx USB Utility Driver Vulnerability
- Realtek Linux/Android Wi-Fi driver – Buffer Overflow Attack may cause a system crash
- [CVE-2022-21742] Realtek USB FE/1GbE/2.5GbE/5GbE NIC Family Vulnerability
- [CVE-2022-25476][CVE-2022-25477][CVE-2022-25478][CVE-2022-25479][CVE-2022-25480] Realtek RtsPer/RtsUer Card Reader Driver Vulnerability
- [CVE-2022-27255] Realtek AP Router SDK Vulnerability
- [CVE-2022-29558] Realtek AP Router SDK Vulnerability
- [CVE-2022-26527] Realtek Linux/Android Bluetooth Mesh SDK – An Out-of-bound Write Due to Inconsistent SegN in Mesh Transport Layer
- [CVE-2022-26528] Realtek Linux/Android Bluetooth Mesh SDK – An Out-of-bound Write Due to SegO > SegN in Mesh Transport Layer
- [CVE-2022-26529] Realtek Linux/Android Bluetooth Mesh SDK – An Out-of-bound Write Due to Inconsistent Message Type in Mesh Transport Layer
- [CVE-2022-25635] Realtek Linux/Android Bluetooth Mesh SDK – An Out-of-bound Write Due to Abnormal BLE Advertising Length
- [CVE-2022-32966] Realtek DASH firmware vulnerability - TCP Port 5900 is open for connection without valid credentials
- [CVE-2022-32967] Realtek DASH firmware vulnerability - Disabled DASH becomes Enabled after power loss
- [CVE-2022-34326] Ameba1 softap mode spinlock issue
- [CVE-2022-40740] Realtek SDK - Command Injection in GPON router WEBGUI
- Realtek HD USB Audio Manager for Windows – SEH Unicode Stack Buffer Overflow
- [CVE-2023-49073][CVE-2023-48270][CVE-2023-45742][CVE-2023-49595][CVE-2023-45215][CVE-2023-47856][CVE-2023-50239][CVE-2023-50240][CVE-2023-41251][CVE-2023-50243][CVE-2023-50244][CVE-2023-50330][CVE-2023-49867][CVE-2024-21778] Realtek AP-Router SDK Advisory – Buffer Overflow
- [CVE-2023-47677] Realtek AP-Router SDK Advisory – CSRF
- [CVE-2023-50381][CVE-2023-50382][CVE-2023-50383] Realtek AP-Router SDK Advisory – OS Command Injection
- [CVE-2024-40431][CVE-2024-40432] Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf
- [CVE-2025-8298][CVE-2025-8299][CVE-2025-8300][CVE-2025-8301][CVE-2025-8302] Realtek Wi-Fi Windows USB Driver Vulnerability
- [CVE-2025-49604] AmebaD WLAN driver defragment issue
- Realtek xDSL SDK vulnerability
Product Security Acknowledgements
| Researchers | CVEs |
|---|---|
| Xiaobye(@xiaobye_tw) of DEVCORE Research Team | CVE-2025-49604 |
| Danilo Erazo (revers3everything@gmail.com) - Automotive Cybersecurity Researcher | |
| Dungnm from vcslab of Viettel Cyber Security working with Trend Zero Day Initiative | CVE-2025-8298,CVE-2025-8299,CVE-2025-8300,CVE-2025-8301,CVE-2025-8302 |
| Michael Myng | CVE-2024-40431,CVE-2024-40432 |
| Cisco Talos team | CVE-2023-49073,CVE-2023-48270,CVE-2023-45742,CVE-2023-49595,CVE-2023-45215,CVE-2023-47856,CVE-2023-50239,CVE-2023-50240,CVE-2023-41251,CVE-2023-50243,CVE-2023-50244,CVE-2023-50330,CVE-2023-49867,CVE-2024-21778,CVE-2023-47677,CVE-2023-50381,CVE-2023-50382,CVE-2023-50383 |
| hyp3rlinx (apparitionsec@gmail.com) | Realtek HD USB Audio Manager for Windows – SEH Unicode Stack Buffer Overflow |
| pccr10001@gmail.com | CVE-2022-40740 |
| chiba of topsec alphalab | CVE-2022-34326 |
| Blake Irwin, Lenovo | CVE-2022-32966, CVE-2022-32967 |
| Han Yan(闫晗), Lewei Qu(曲乐炜), Dongxiang Ke(柯懂湘) from Baidu AIoT Security Team | CVE-2022-26527, CVE-2022-26528, CVE-2022-26529, CVE-2022-26535 |
| Octavio Gianatiempo, Octavio Galland, Emilio Couto, Javier Aguinaga from Faraday's Security Research team | CVE-2022-29558 |
| Octavio Gianatiempo, Octavio Galland, Emilio Couto, Javier Aguinaga from Faraday's Security Research team | CVE-2022-27255 |
| Michael Myng | CVE-2022-25476, CVE-2022-25477, CVE-2022-25478, CVE-2022-25479, CVE-2022-25480 |
| Eran Shimony | CVE-2022-21742 |
| Sili Luo from Security Researcher, Huawei RO0T Lab | CVE-2021-39306, CVE-2021-43573 |
| Quentin Kaiser from IoT Inspector's Security Researcher team | CVE-2021-35392, CVE-2021-35393, CVE-2021-35394, CVE-2021-35395 |
| Roy Ronen from SentinelOne | CVE-2021-36922, CVE-2021-36923, CVE-2021-36924, CVE-2021-36925 |
| Axel Souchet | CVE-2021-32537 |
| Maurizio Siddu | CVE-2021-27372 |