328e3c3f35
Cherry pick the patches recommended in the hostapd security advisory 2026-1: https://w1.fi/security/2026-1/missing-ml-parsing-validation.txt Vulnerability Vulnerabilities in parsing and use of received multi-link (MLO/EHT/IEEE 802.11be/Wi-Fi 7) information has been identified in hostapd and wpa_supplicant. These issues show up in various cases where frames including information on affiliated links are parsed and processed in both AP and STA modes. The issues can result in process termination due to buffer read overflow checks and memory corruption. The issues for AP mode (hostapd or wpa_supplicant) can result in denial-of-service attacks due to process termination and small memory corruption that could theoretically cause other issues, but it does not seem likely that those could be exploiting in practice. Affected areas can be reached by sending invalid Management frames without needing authentication or user action on the target device. Link: https://github.com/openwrt/openwrt/pull/24043 (cherry picked from commit 8614a2ba6885d0bec345a1010a0d59c64abe403c) [Removed 004, 0005 and 008 which do not apply and fix some others] Link: https://github.com/openwrt/openwrt/pull/24295 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> (cherry picked from commit 452bc24984b7df0ab12e73372d3fbb3930d404fe) |
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OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it; for users this means the ability for full customization, to use the device in ways never envisioned.
Sunshine!
Download
Built firmware images are available for many architectures and come with a package selection to be used as WiFi home router. To quickly find a factory image usable to migrate from a vendor stock firmware to OpenWrt, try the Firmware Selector.
If your device is supported, please follow the Info link to see install instructions or consult the support resources listed below.
An advanced user may require additional or specific package. (Toolchain, SDK, ...) For everything else than simple firmware download, try the wiki download page:
Development
To build your own firmware you need a GNU/Linux, BSD or macOS system (case sensitive filesystem required). Cygwin is unsupported because of the lack of a case sensitive file system.
Requirements
You need the following tools to compile OpenWrt, the package names vary between distributions. A complete list with distribution specific packages is found in the Build System Setup documentation.
binutils bzip2 diff find flex gawk gcc-6+ getopt grep install libc-dev libz-dev
make4.1+ perl python3.7+ rsync subversion unzip which
Quickstart
-
Run
./scripts/feeds update -ato obtain all the latest package definitions defined in feeds.conf / feeds.conf.default -
Run
./scripts/feeds install -ato install symlinks for all obtained packages into package/feeds/ -
Run
make menuconfigto select your preferred configuration for the toolchain, target system & firmware packages. -
Run
maketo build your firmware. This will download all sources, build the cross-compile toolchain and then cross-compile the GNU/Linux kernel & all chosen applications for your target system.
Related Repositories
The main repository uses multiple sub-repositories to manage packages of
different categories. All packages are installed via the OpenWrt package
manager called opkg. If you're looking to develop the web interface or port
packages to OpenWrt, please find the fitting repository below.
-
LuCI Web Interface: Modern and modular interface to control the device via a web browser.
-
OpenWrt Packages: Community repository of ported packages.
-
OpenWrt Routing: Packages specifically focused on (mesh) routing.
-
OpenWrt Video: Packages specifically focused on display servers and clients (Xorg and Wayland).
Support Information
For a list of supported devices see the OpenWrt Hardware Database
Documentation
Support Community
- Forum: For usage, projects, discussions and hardware advise.
- Support Chat: Channel
#openwrton oftc.net.
Developer Community
- Bug Reports: Report bugs in OpenWrt
- Dev Mailing List: Send patches
- Dev Chat: Channel
#openwrt-develon oftc.net.
License
OpenWrt is licensed under GPL-2.0