diff --git a/nixos/doc/manual/release-notes/rl-2405.section.md b/nixos/doc/manual/release-notes/rl-2405.section.md
index 14143c3037c619c..7ac0fc579bb021a 100644
--- a/nixos/doc/manual/release-notes/rl-2405.section.md
+++ b/nixos/doc/manual/release-notes/rl-2405.section.md
@@ -435,6 +435,8 @@ Use `services.pipewire.extraConfig` or `services.pipewire.configPackages` for Pi
 - `services.archisteamfarm` no longer uses the abbreviation `asf` for its state directory (`/var/lib/asf`), user and group (both `asf`). Instead the long name `archisteamfarm` is used.
   Configurations with `system.stateVersion` 23.11 or earlier, default to the old stateDirectory until the 24.11 release and must either set the option explicitly or move the data to the new directory.
 
+- `frr` was updated to 10.0, which introduces the default of `enforce-first-as` for BGP. Please disable again if needed.
+
 - `services.aria2.rpcSecret` has been replaced with `services.aria2.rpcSecretFile`.
   This was done so that secrets aren't stored in the world-readable nix store.
   To migrate, you will have to create a file with the same exact string, and change
diff --git a/pkgs/servers/frr/default.nix b/pkgs/servers/frr/default.nix
index d4adb5ed34faa4a..ba1f46414f6a192 100644
--- a/pkgs/servers/frr/default.nix
+++ b/pkgs/servers/frr/default.nix
@@ -86,24 +86,15 @@ lib.warnIf (!(stdenv.buildPlatform.canExecute stdenv.hostPlatform))
 
 stdenv.mkDerivation rec {
   pname = "frr";
-  version = "9.1";
+  version = "10.0";
 
   src = fetchFromGitHub {
     owner = "FRRouting";
     repo = pname;
     rev = "${pname}-${version}";
-    hash = "sha256-oDPr51vI+tlT1IiUPufmZh/UE0TNKWrn4RqpnGoGxNo=";
+    hash = "sha256-vvh9z2hmjvAA7OXgrUmlcrrTE5MRedZzfmhX5FEDKwE=";
   };
 
-  patches = [
-    # fixes crash in OSPF TE parsing
-    (fetchpatch {
-      name = "CVE-2024-27913.patch";
-      url = "https://github.com/FRRouting/frr/commit/541503eecd302d2cc8456167d130014cd2cf1134.patch";
-      hash = "sha256-7NxPlQK/6lbLs/NqNi4OZ2uBWfXw99SiXDR6okNvJlg=";
-    })
-  ];
-
   nativeBuildInputs = [
     autoreconfHook
     bison