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Vulnerability record · CVE-2006-3561 · published 13 July 2006

CVE-2006-3561: Bt voyager 2091 wireless adsl router information exposure vulnerability

BBt · Voyager 2091 Wireless Adsl Router

BT Voyager 2091 Wireless firmware 2.21.05.08m_A2pB018c1.d16d and earlier, and 3.01m and earlier, allow remote attackers to bypass the authentication process and gain sensitive information, such as configuration information via (1) /btvoyager_getconfig.sh, PPP credentials via (2) btvoyager_getpppcreds.sh, and decode configuration credentials via (3) btvoyager_decoder.c.

5.0 CVSS 2.0 Medium EPSS 6.7% · top 6.3% CWE-200 · Information exposureCWE-264 · Permissions and access controls
5.0CVSS 2.0 base score
6.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

BT Voyager 2091 Wireless firmware 2.21.05.08m_A2pB018c1.d16d and earlier, and 3.01m and earlier, allow remote attackers to bypass the authentication process and gain sensitive information, such as configuration information via (1) /btvoyager_getconfig.sh, PPP credentials via (2) btvoyager_getpppcreds.sh, and decode configuration credentials via (3) btvoyager_decoder.c.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://ikwt.dyndns.org/projects/btvoyager-getconfig.txt Exploit
http://lists.grok.org.uk/pipermail/full-disclosure/2006-July/047733.html
http://secunia.com/advisories/20982 Vendor Advisory
http://www.gnucitizen.org/blog/holes-in-embedded-devices-authentication-bypass-pt-3/
http://www.gnucitizen.org/projects/router-hacking-challenge/
http://www.securityfocus.com/archive/1/440405/100/0/threaded
http://www.securityfocus.com/archive/1/489009/100/0/threaded
http://www.securityfocus.com/bid/19057
http://www.vupen.com/english/advisories/2006/2734
https://exchange.xforce.ibmcloud.com/vulnerabilities/27652
http://ikwt.dyndns.org/projects/btvoyager-getconfig.txt Exploit
http://lists.grok.org.uk/pipermail/full-disclosure/2006-July/047733.html
http://secunia.com/advisories/20982 Vendor Advisory
http://www.gnucitizen.org/blog/holes-in-embedded-devices-authentication-bypass-pt-3/
http://www.gnucitizen.org/projects/router-hacking-challenge/
http://www.securityfocus.com/archive/1/440405/100/0/threaded
http://www.securityfocus.com/archive/1/489009/100/0/threaded
http://www.securityfocus.com/bid/19057
http://www.vupen.com/english/advisories/2006/2734
https://exchange.xforce.ibmcloud.com/vulnerabilities/27652

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Source: NIST National Vulnerability Database (record CVE-2006-3561), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.