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-rw-r--r--package/base-files/files/lib/functions/network.sh4
1 files changed, 4 insertions, 0 deletions
diff --git a/package/base-files/files/lib/functions/network.sh b/package/base-files/files/lib/functions/network.sh
index 5ffe2ca0b9..ead69aa626 100644
--- a/package/base-files/files/lib/functions/network.sh
+++ b/package/base-files/files/lib/functions/network.sh
@@ -25,6 +25,10 @@ __network_parse_ifstatus()
local __list
local __old_ns
+ case "$__iface" in
+ *[^a-zA-Z0-9_]*) return 1 ;;
+ esac
+
__network_export __tmp "${__key}__parsed" && return 0
__tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
[ -n "$__tmp" ] || return 1