Updating d link firmware

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Although the router models affected are fairly old, there are almost certainly plenty of these still in operation, as routers tend to be set-it-and-forget-it devices that rarely get replaced or updated unless they stop working.

According to Heffner, an attacker who identified a vulnerable router would need merely to set his browser’s user agent string as “xmlset_roodkcableoj28840ybtide”, and he could log in to the router’s administrative interface .

RSA key fingerprint is SHA256:0RCgva9fjv Pn6Tk N89hk VQHIp Hk Kfvfs Gm Ytn Ogki0g.

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[email protected]:~# wget ftp://anonymous:[email protected]/Products/dwr/dwr-932/driver_software/DWR-932_fw_rev [email protected]:~# sha256sum DWR-932_fw_rev B_2_03_eu_en_20161011# in case of a modification of this file by D-link fb721979b235c9da9a9b8e505767ce04410b8c7f5035a73ac2c4cc0b9cada3bd DWR-932_fw_rev [email protected]:~# dd if=DWR-932_fw_rev B_2_03_eu_en_20161011of=bs=64 skip=1 993106 1 records in 993106 1 records out 63558829 bytes (64 MB) copied, 1.29239 s, 49.2 MB/s [email protected]:~# mkdir output && cd output && 7z x -pbe UT9Z ../[email protected]:~/output# 7z x -pbe UT9Z 7-Zip 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18 p7zip Version 9.20 (locale=en_US.

UTF-8, Utf16=on, Huge Files=on,1 CPU) Processing archive: ../Extracting 02.03EU Extracting 2Extracting 2K-mdm-image-mdm9625.yaffs2 Extracting Extracting Extracting mdm-image-boot-mdm9625Extracting mdm-image-mdm9625.yaffs2 Extracting mdm-recovery-image-boot-mdm9625Extracting mdm-recovery-image-mdm9625.yaffs2 Extracting mdm9625-usr-image.usrfs.yaffs2 Extracting qdsp6Extracting Extracting sbl1Extracting Extracting Everything is Ok Files: 15 Size: 145018347 Compressed: 63558829 [email protected]:~/output# ls -latr total 141640 -rwx------ 1 root root 7840 Jul 18 2014 -rwx------ 1 root root 266648 Jul 18 2014 -rwx------ 1 root root 262144 Jul 18 2014 sbl1-rwx------ 1 root root 147432 Jul 18 2014 -rwx------ 1 root root 42338681 Jul 18 2014 qdsp6-rw------- 1 root root 3823616 Jul 18 2014 mdm-recovery-image-boot-mdm9625-rw------- 1 root root 3823616 Jul 18 2014 mdm-image-boot-mdm9625-rwx------ 1 root root 365464 Jul 18 2014 -rwx------ 1 root root 69872 Jul 18 2014 -rw------- 1 root root 14733312 Oct 10 mdm-recovery-image-mdm9625.yaffs2 -rw------- 1 root root 25869888 Oct 10 mdm-image-mdm9625.yaffs2 -rw------- 1 root root 25869888 Oct 11 2K-mdm-image-mdm9625.yaffs2 -rw------- 1 root root 27439104 Oct 11 mdm9625-usr-image.usrfs.yaffs2 -rw------- 1 root root 842 Oct 11 2-rw------- 1 root root 0 Oct 11 02.03EU drwx------ 2 root root 340 Nov 10 . [email protected]:~/output# mkdir 1 && cd 1 && unyaffs ../mdm9625-usr-image.usrfs.yaffs2 [email protected]:~/output/1# cd ..

exit 0 test -x "$DAEMON"

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