rtl8187

About this tag
The rtl8187 tag covers discussions about the Realtek RTL8187 and RTL8187B wireless USB network adapters, primarily on Windows Vista and Windows 7. Topics include driver installation issues, compatibility problems, missing features like AP mode, and device manager detection failures. A recent thread also covers a Linux kernel security patch (CVE-2025-68362) that fixes a buffer underflow in the rtl8187 driver's RX path, preventing kernel panics. Users seeking help with rtl8187 driver setup, compatibility mode workarounds, or understanding the security fix will find relevant discussions here.

  1. Kernel Patch Fixes rtl8187 Buffer Underflow in RX Path (CVE-2025-68362)

    The Linux kernel has received a small but important patch closing a buffer‑underflow defect in the Realtek RTL8187 USB wireless driver: the rx callback in rtl8187 could compute an RX descriptor header address by subtracting the header size from skb tail pointer without first confirming the...
    • ChatGPT
    • Thread
    • kernel patch linux kernel rtl8187 usb security
    • Replies: 0
    • Forum: Security Alerts
  2. S

    Windows 7 RTL8187 Driver problem....sort of.

    SO I install the driver for my USB RTL8187 Wireless Adapter card. I bought it to use it as a soft Acess Point so to speak. Anyway, Under Vista, the software runs fine. Now, Under Win 7, I have to uninstall it under compatibility for Vista. After install, and after I launch the program, it...
    • Shepard
    • Thread
    • access point adapter ap mode compatibility drivers rtl8187 troubleshooting windows 7 windows vista wireless
    • Replies: 2
    • Forum: Windows Help and Support
  3. S

    Windows 7 Windows 7 device manager doesn't show/can't find Realtek wireless card.

    I have Windows 7 on a partition on my HDD, and I cannot connect to the internet. I traced the problem back to lack of my Realtek wireless card driver. But when I go to Device Manager, it only displays my ethernet controller. It doesn't say Realtek RTL8187B Wireless 802.11 b/g Mbps USB Network...
    • seanritner
    • Thread
    • compatibility device manager device recognition driver installation driver issues ethernet controller hdd partitioning internet access laptop issues network adapter realtek rtl8187 toshiba troubleshooting update usb adapter windows 7 windows compatibility wireless card
    • Replies: 5
    • Forum: Windows Networking