The web component in Philips Electronics VOIP841 DECT Phone with firmware 1.0.4.50 and 1.0.4.80 has a back door "service" account with "service" as its password, which makes it easier for remote attackers to obtain access.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-4874)