WRT54G (version 2) Firmware Version Question

Hello

Beautiful room here. I'm glad that this facility exists.

I have the router WRT54G version 2. Finally, I upgraded the version of firmware years before Cisco Linksys bought.

A recent announcement by the people of Black Hat (treaties in this article of TechSpot) about their intention to publish a validation tool to exploit a vulnerability of DNS rebinding on a great many routers SOHO forced me to check for the latest update of firmware for my router.

The interesting thing is that my router's Web interface lists the current version of the firmware as 4.30.12, but the latest version of the downloadable firmware that I see listed on the support site is 4.21.1. I'm not very surprised by this apparent anomaly. If I remember correctly, that firmware version 4.30.12 download is a beta that was supposed to fix a problem connecting WiFi to a certain type. If this version of the firmware was still considered a beta at the time of the acquisition of Linksys by Cisco - or a 'stable' later firmware version incorporating the same or better fixes for the issues addressed by 4.30.12 that had been produced at that time-so maybe 4.30.12 was ruled out.

If you read the article of TechSpot and the associated table of preliminary vulnerability, test reports, you'll see that router WRT54G version 2 is not specifically listed. Version 3 of the router is listed as vulnerable, and version 5 of the router is not.

So, my questions are:

Everyone here is aware of information indicating whether or not the problem of DNS Rebinding vulnerability affects the WRT54G version 2 with the last registered (4.21.1) router firmware version?

If so, does anyone know if yes or no Cisco plans to release an update for this old router?

If the router is vulnerable and will not be solved with a firmware update I'll probably have myself a new LInksys router which is not listed as vulnerable. (Believe me, I'm not leaving this thread to bash Linksys. This router ran like a train of 24 hours a day for years without a single hiccup that was not directly attributable to the problems of the ISP. For the price, it's one of the best purchases of equipment I've ever done calculation. And I have done this since the beginning of the 80s when I was using a CP/M system and an Apple / / e.)

If the 4.21.1 version firmware for WRT54G version 2 is not affected, I wonder if anyone knows if yes or no 'downgrading' of 4.30.12 to 4.21.1 is likely to lead to a failure of the router. (I'll probably try it anyway. If it brick the router I'll just go ahead and get a new one.)

BTW, I use this router with the ease of remote administration and UPnP off and strong admin password that is changed each week. (When I always used wireless I used WPA2 AES with strong password, but I am all wired now with the systems running Debian testing).

Forgive me for talking to myself. I decided to just go ahead and "downgrade" of the 4.30.12 firmware 4.21.1 version - just because I prefer to use a version of firmware known and supported for this material. The downgrade has gone well, so no worries about this.

I'll look for news on whether or not this version of the firmware on this particular router is vulnerable to the flaw in DNS rebinding and acts accordingly.

Sorry for the noise.

Tags: Linksys Routers

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