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          |__| W I R E L E S S   F R E E D O M
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 OpenWrt 21.02.7, r16847-f8282da11e
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The OpenWrt community is proud to announce the newest stable release of the OpenWrt 21.02 stable version series. It fixes security issues and brings a bug fix.

Download firmware images via the Firmware Selector or directly from our download servers:

• Download firmware image for your device (firmware selector)
• Download firmware images directly from OpenWrt download servers

An upgrade from OpenWrt 19.07 or 21.02 to OpenWrt 21.02.7 is supported in many cases with the help of the sysupgrade utility which will also attempt to preserve the configuration. A configuration backup is advised nonetheless when upgrading to OpenWrt 21.02. (see “Upgrading” below).

The OpenWrt 21.02 stable series is now end of life following the OpenWrt Security support guidelines. We encourage all users of the OpenWrt 21.02 stable series to upgrade to OpenWrt 22.03. We will not fix any security problems, even severe ones in the OpenWrt 21.02 release branch any more.

Only the main changes are listed below. See changelog-21.02.7 for the full changelog.

Security fixes

• CVE-2023-0464: openssl: Excessive Resource Usage Verifying X.509 Policy Constraints
• CVE-2023-0465: openssl: Invalid certificate policies in leaf certificates are silently ignored

Device support

• None

Various fixes and improvements

• Fix UBI (Unsorted Block Images) bug which prevented some devices from booting

Core components

• Update uclient from 2021-05-14 to 2023-04-13

Upgrading to OpenWrt 21.02.7

Upgrading from OpenWrt 21.02 is straightforward thanks to the sysupgrade utility: sysupgrade from web interface or sysupgrade from command-line.

An upgrade from OpenWrt 19.07 to OpenWrt 21.02 is supported in many cases, including preserving configuration. A configuration backup is advised nonetheless when upgrading from OpenWrt 19.07.

Known issues

• None so far.

See reporting bugs if you encounter issues with this release.