The MAC address of the GMAC is contained inside the CWMP-Account number on the label. Similar fix as to the 4040 inb22d382ae4Link #13240 Signed-off-by: Florian Maurer <f.maurer@outlook.de> Link: https://github.com/openwrt/openwrt/pull/17467 Signed-off-by: Robert Marko <robimarko@gmail.com> (cherry picked from commitb2b6955f80)