"No supported filesystem found" with Trendnet THA-101 firmware

[digital-pet]

Firmware Mod Kit (extract) 0.99, (c)2011-2013 Craig Heffner, Jeremy Collake

Scanning firmware...

Scan Time:     2022-03-03 14:41:21
Target File:   /mnt/c/Users/--/Desktop/firmware/THA-101_v1.01_F-20140821
MD5 Checksum:  7a4a1c314f26a4fc17f36d05e92fe822
Signatures:    344

DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------
0             0x0             uImage header, header size: 64 bytes, header CRC: 0x598D8447, created: 2014-08-21 01:51:36, image size: 4915299 bytes, Data Address: 0x80000000, Entry Point: 0x8000C310, data CRC: 0xF4620D16, OS: Linux, CPU: MIPS, image type: OS Kernel Image, compression type: lzma, image name: "Linux Kernel Image"
64            0x40            LZMA compressed data, properties: 0x5D, dictionary size: 33554432 bytes, uncompressed size: 7588908 bytes

Extracting 0 bytes of uimage header image at offset 0
ERROR: No supported file system found! Aborting...

The firmware will extract successfully using binwalk -Me although obviously that is no help when it comes to repacking it.

Scan Time:     2022-03-03 14:23:43
Target File:   /mnt/c/Users/---/Desktop/firmware/THA-101_v1.01_F-20140821
MD5 Checksum:  7a4a1c314f26a4fc17f36d05e92fe822
Signatures:    411

DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------
0             0x0             uImage header, header size: 64 bytes, header CRC: 0x598D8447, created: 2014-08-21 01:51:36, image size: 4915299 bytes, Data Address: 0x80000000, Entry Point: 0x8000C310, data CRC: 0xF4620D16, OS: Linux, CPU: MIPS, image type: OS Kernel Image, compression type: lzma, image name: "Linux Kernel Image"
64            0x40            LZMA compressed data, properties: 0x5D, dictionary size: 33554432 bytes, uncompressed size: 7588908 bytes
2075235       0x1FAA63        LZ4 compressed data

Scan Time:     2022-03-03 14:23:44
Target File:   /mnt/c/Users/---/Desktop/firmware/_THA-101_v1.01_F-20140821.extracted/40
MD5 Checksum:  424b9810c4a95223a378058b1288c15b
Signatures:    411

DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------
3178576       0x308050        Linux kernel version 2.6.36
3178704       0x3080D0        CRC32 polynomial table, little endian
3459088       0x34C810        CRC32 polynomial table, little endian
3613056       0x372180        xz compressed data
3646492       0x37A41C        Unix path: /var/run/udhcpc.pid
3688115       0x3846B3        Neighborly text, "neighbor %.2x%.2x.%pM lostd_delay_timer"
4083712       0x3E5000        xz compressed data

Scan Time:     2022-03-03 14:23:45
Target File:   /mnt/c/Users/---/Desktop/firmware/_THA-101_v1.01_F-20140821.extracted/_40.extracted/3E5000
MD5 Checksum:  d1301301b2275111250dce1835c2613e
Signatures:    411

DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------

WARNING: Symlink points outside of the extraction directory: /mnt/c/Users/---/Desktop/firmware/_THA-101_v1.01_F-20140821.extracted/_40.extracted/_3E5000.extracted/cpio-root/etc_ro/ppp/peers/3g -> /etc/3g; changing link target to /dev/null for security purposes.
0             0x0             ASCII cpio archive (SVR4 with no CRC), file name: "/lib", file name length: "0x00000005", file size: "0x00000000"
[...snip...]
14487580      0xDD101C        ASCII cpio archive (SVR4 with no CRC), file name: "/init", file name length: "0x00000006", file size: "0x0000000C"
14487708      0xDD109C        ASCII cpio archive (SVR4 with no CRC), file name: "TRAILER!!!", file name length: "0x0000000B", file size: "0x00000000"

[lo-dong-lo]

any comments?