CVE-2008-1334

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2008-03-13 · updated 2026-06-16
Weakness: CWE-287

Description

cgi/b on the BT Home Hub router allows remote attackers to bypass authentication, and read or modify administrative settings or make arbitrary VoIP telephone calls, by placing a character at the end of the PATH_INFO, as demonstrated by (1) %5C (encoded backslash), (2) '%' (percent), and (3) '~' (tilde). NOTE: the '/' (slash) vector is already covered by CVE-2007-5383.

Affected products

Bt Home Hub: all versions

References

http://www.gnucitizen.org/blog/holes-in-embedded-devices-authentication-bypass-pt-1/
http://www.gnucitizen.org/projects/router-hacking-challenge/
http://www.securityfocus.com/archive/1/489009/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/41271
http://www.gnucitizen.org/blog/holes-in-embedded-devices-authentication-bypass-pt-1/
http://www.gnucitizen.org/projects/router-hacking-challenge/
http://www.securityfocus.com/archive/1/489009/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/41271

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