I couldn't find any information on Spark's website.
wasabi2k: Are either actually accessible to the internet?
You need a process that is internet accessible (apache etc) for it to actually be an issue externally.
freitasm: He's asking if those processes run on the modem/router itself.
Taylor Broadband (rural hawkes bay)
There is no place like localhost
For my general guide to extending your wireless network Click Here
raytaylor: I'd be more worried about the dynalink routers that a certain ~4th largest ISP in the country was sending out to customers for about 5 years with admin/admin credentials and the port 80 web admin accessible on the WAN interface, with the DSL username and password in plaintext on the ppp settings page sourcecode.
Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.
eXDee: My Guess: Probably not. Most embedded devices in the modem/router category don't tend to run full bash, they tend to run busybox due to its small footprint.
Of course there are exceptions to this, which is why this bug is a problem even for embedded devices.
If you can get a telnet or ssh session open, use bash --version or echo $BASH_VERSION to see if you have it