VAR-200508-0235
Vulnerability from variot - Updated: 2025-04-03 22:25B-FOCuS Router 312+ allows remote attackers to bypass authentication and gain unauthorized access via a direct request to firmwarecfg. An attacker can disclose the administrator password through the Web interface of the device. This can lead to a complete compromise of the router. B-FOCuS Router 312+ router can provide users with reliable and secure ADSL2+ connection. By default, the management interface of the eci router is available via HTTP, which is protected by a login screen. But an attacker can easily bypass the login screen by visiting the firmwarecfg page in the unprotected cgi-bin directory and download the router's current settings, including plaintext connection and management passwords.
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TITLE: ECI B-FOCuS Router firmwarecfg Missing Access Control Restrictions
SECUNIA ADVISORY ID: SA16205
VERIFY ADVISORY: http://secunia.com/advisories/16205/
CRITICAL: Moderately critical
IMPACT: Security Bypass
WHERE:
From local network
OPERATING SYSTEM: B-FOCuS Router 312+ http://secunia.com/product/5436/
DESCRIPTION: D.is.evil has reported a security issue in B-FOCuS Router 312+, which can exploited by malicious people to bypass certain security restrictions.
The problem is caused due to the lack of access controls on the "/cgi-bin/firmwarecfg" page of the router's web management interface. This can reportedly be exploited to retrieve sensitive information such as the current router settings, connection and management passwords, or to cause a DoS by resetting the router constantly.
PROVIDED AND/OR DISCOVERED BY: D.is.evil
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Sightings
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