VAR-200812-0531
Vulnerability from variot - Updated: 2022-05-17 01:44The Comtrend CT-536 is a small ADSL wireless broadband router. CT-536's micro_httpd service program does not properly validate user requests. Non-privileged users can access restricted resources by submitting malicious requests. During the authentication process, the credentials are sent in clear text, and any user can easily read the authentication credentials. CT-536 does not properly filter certain field autos and data, and remote attackers can exploit cross-site scripting and buffer overflow attacks to cause the httpd configuration server to denial of service. COMTREND CT-536 and HG-536 are prone to multiple remote vulnerabilities: - Multiple unauthorized-access vulnerabilities - An information-disclosure vulnerability - Multiple cross-site scripting vulnerabilities - A denial-of-service vulnerability - Multiple buffer-overflow vulnerabilities Attackers can exploit these issues to compromise the affected device, obtain sensitive information, execute arbitrary script code, steal cookie-based authentication credentials, and cause a denial-of-service condition. Other attacks are also possible. The following firmware versions are vulnerable; additional versions may also be affected: CT-536 A101-302JAZ-C01_R05 HG-536+ A101-302JAZ-C01_R05 and A101-302JAZ-C03_R14.A2pB021g.d15h
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