CyberSecBulletin

Realtek vulnerabilities

We track 35 vulnerabilities in Realtek products across 20 products. 35 are rated high or critical, and 3 have been exploited in real attacks. The most recent was published on November 6, 2026.

35vulnerabilities
5critical
30high
3exploited
7.9average CVSS score

Latest Realtek vulnerabilities

  • 7.8 High severity

    RtUsbA64.sys: Untrusted Pointer Dereference

    CVE-2026-90975Realtek

    A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a local, low-privileged user to abuse a kernel I/O control (IOCTL) interface that acts on a caller-supplied user-mode pointer without proper validation or capture. By issuing crafted property re

  • 8.8 High severity

    rtl81xx SDK: Heap-based Buffer Overflow

    CVE-2025-8302Realtek

    Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl81xx SDK Wi-Fi driver. An attacker must first

  • 7.8 High severity

    RTL8811AU: Heap-based Buffer Overflow

    CVE-2025-8301Realtek

    Realtek RTL8811AU rtwlanu.sys N6CSet_DOT11_CIPHER_DEFAULT_KEY Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek RTL8811AU drivers. An attac

  • 8.8 High severity

    rtl81xx SDK: Heap-based Buffer Overflow

    CVE-2025-8300Realtek

    Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl81xx SDK Wi-Fi driver. An attacker must first

  • 8.8 High severity

    rtl81xx SDK: Heap-based Buffer Overflow

    CVE-2025-8299Realtek

    Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl81xx SDK Wi-Fi driver

  • 7.5 High severity

    Rtl8762e Software Development Kit: Uncontrolled Resource Consumption

    CVE-2025-44531Realtek

    An issue in Realtek RTL8762EKF-EVB RTL8762E SDK v1.4.0 allows attackers to cause a Denial of Service (DoS) via sending a crafted before a pairing public key is received during a Bluetooth connection attempt.

  • 7.8 High severity

    Bluetooth HCI Adaptor: Improper Link Resolution Before File Access

    CVE-2024-11857Realtek

    Bluetooth HCI Adaptor from Realtek has a Link Following vulnerability. Local attackers with regular privileges can create a symbolic link with the same name as a specific file, causing the product to delete arbitrary files pointed to by the link. Subsequently,

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2024-21778LevelOne

    A heap-based buffer overflow vulnerability exists in the configuration file mib_init_value_array functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted .dat file can lead to arbitrary code execution. An attacker can upload a malicious file to

  • 7.2 High severity

    WBR-6013: Improper Neutralization of Special Elements used in an OS Command

    CVE-2023-50383LevelOneEPSS 1.93%

    Three os command injection vulnerabilities exist in the boa formWsc functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to arbitrary command execution. An attacker can send a series of HTTP requests to trig

  • 7.2 High severity

    WBR-6013: Improper Neutralization of Special Elements used in an OS Command

    CVE-2023-50382LevelOneEPSS 1.93%

    Three os command injection vulnerabilities exist in the boa formWsc functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to arbitrary command execution. An attacker can send a series of HTTP requests to trig

  • 7.2 High severity

    WBR-6013: Improper Neutralization of Special Elements used in an OS Command

    CVE-2023-50381LevelOneEPSS 3.19%

    Three os command injection vulnerabilities exist in the boa formWsc functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to arbitrary command execution. An attacker can send a series of HTTP requests to trig

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-50330LevelOneEPSS 1.1%

    A stack-based buffer overflow vulnerability exists in the boa getInfo functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can send a series of HTTP requests to trigger

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-50244LevelOneEPSS 1.41%

    Two stack-based buffer overflow vulnerabilities exist in the boa formIpQoS functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can send a series of HTTP requests to tri

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-50243LevelOneEPSS 1.41%

    Two stack-based buffer overflow vulnerabilities exist in the boa formIpQoS functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can send a series of HTTP requests to tri

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-50240LevelOneEPSS 1.41%

    Two stack-based buffer overflow vulnerabilities exist in the boa set_RadvdInterfaceParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of r

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-50239LevelOneEPSS 1.41%

    Two stack-based buffer overflow vulnerabilities exist in the boa set_RadvdInterfaceParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of r

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-49867LevelOneEPSS 1.1%

    A stack-based buffer overflow vulnerability exists in the boa formWsc functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can send a series of HTTP requests to trigger

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-49595LevelOne

    A stack-based buffer overflow vulnerability exists in the boa rollback_control_code functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to arbitrary code execution. An attacker can send a sequence of req

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-49073LevelOne

    A stack-based buffer overflow vulnerability exists in the boa formFilter functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to arbitrary code execution. An attacker can send a sequence of requests to trigg

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-48270LevelOne

    A stack-based buffer overflow vulnerability exists in the boa formDnsv6 functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to arbitrary code execution. An attacker can send a sequence of requests to tri

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-47856LevelOneEPSS 1.41%

    A stack-based buffer overflow vulnerability exists in the boa set_RadvdPrefixParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of request

  • 8.8 High severity

    WBR-6013: Cross-Site Request Forgery

    CVE-2023-47677LevelOne

    A cross-site request forgery (csrf) vulnerability exists in the boa CSRF protection functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted network request can lead to CSRF. An attacker can send an HTTP request to trigger this vulnerability.

  • 9.8 Critical severity

    WBR-6013: Use of Hard-coded Credentials

    CVE-2023-46685LevelOneEPSS 1%

    A hard-coded password vulnerability exists in the telnetd functionality of LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623. A set of specially crafted network packets can lead to arbitrary command execution.

  • 7.2 High severity

    WBR-6013: Integer Overflow or Wraparound

    CVE-2023-45742LevelOneEPSS 1.18%

    An integer overflow vulnerability exists in the boa updateConfigIntoFlash functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to arbitrary code execution. An attacker can send a sequence of requests to trig

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-45215LevelOneEPSS 1.04%

    A stack-based buffer overflow vulnerability exists in the boa setRepeaterSsid functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to arbitrary code execution. An attacker can send a sequence of requests

  • 7.2 High severity

    WBR-6013: Out-of-bounds Write

    CVE-2023-41251LevelOneEPSS 1.28%

    A stack-based buffer overflow vulnerability exists in the boa formRoute functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can send an HTTP request to trigger this vul

  • 7.2 High severity

    WBR-6013: Improper Verification of Cryptographic Signature

    CVE-2023-34435LevelOne

    A firmware update vulnerability exists in the boa formUpload functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted network packets can lead to arbitrary firmware update. An attacker can provide a malicious file to trigger this vulnerability.

  • 7.8 High severity

    rtsper_pcie_card_reader_driver: Out-of-bounds Write

    CVE-2022-25480Realtek

    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.

  • 8.4 High severity

    io_driver: Improper Privilege Management

    CVE-2024-33224Realtek

    An issue in the component rtkio64.sys of Realtek Semiconductor Corp Realtek lO Driver v1.008.0823.2017 allows attackers to escalate privileges and execute arbitrary code via sending crafted IOCTL requests.

  • 7.2 High severity

    GPON router: Improper Neutralization of Special Elements used in an OS Command

    CVE-2022-40740RealtekEPSS 1.51%

    Realtek GPON router has insufficient filtering for special characters. A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt se

  • 7.5 High severity

    Rtl8195am Firmware: Uncontrolled Resource Consumption

    CVE-2022-34326Realtek

    In ambiot amb1_sdk (aka SDK for Ameba1) before 2022-06-20 on Realtek RTL8195AM devices before 284241d70308ff2519e40afd7b284ba892c730a3, the timer task and RX task would be locked when there are frequent and continuous Wi-Fi connection (with four-way handshake)

  • 9.8 Critical severity

    In Realtek eCos RSDK 1.5.7p1 and MSDK 4.9.4p1, the SIP ALG function that rewrites SDP data has…

    CVE-2022-27255RealtekEPSS 36.7%

    In Realtek eCos RSDK 1.5.7p1 and MSDK 4.9.4p1, the SIP ALG function that rewrites SDP data has a stack-based buffer overflow. This allows an attacker to remotely execute code without authentication via a crafted SIP packet that contains malicious SDP data.

  • 9.8 Critical severity

    Realtek AP-Router SDK Buffer Overflow Exploited

    CVE-2021-35395RealtekEPSS 98.1%

    Realtek Jungle SDK version v2.x up to v3.4.14B provides an HTTP web server exposing a management interface that can be used to configure the access point. Two versions of this management interface exists: one based on Go-Ahead named webs and another based on B

  • 9.8 Critical severity

    Realtek Jungle SDK Remote Code Execution Exploited

    CVE-2021-35394RealtekEPSS 99.9%

    Realtek Jungle SDK version v2.x up to v3.4.14B provides a diagnostic tool called 'MP Daemon' that is usually compiled as 'UDPServer' binary. The binary is affected by multiple memory corruption vulnerabilities and an arbitrary command injection vulnerability t

  • 9.8 Critical severity

    Realtek SDK Improper Input Validation Exploited

    CVE-2014-8361D-LinkEPSS 100%

    The miniigd SOAP service in Realtek SDK allows remote attackers to execute arbitrary code via a crafted NewInternalClient request, as exploited in the wild through 2023.