A path traversal (directory traversal) vulnerability in D-Link DSR series routers allows unauthenticated remote attackers to manipulate input parameters used for file or directory path resolution (e.g., via sequences such as “../”). Successful exploitation may allow access to files outside of the intended directory, potentially exposing sensitive system or configuration files. The issue results from insufficient validation or sanitization of user-supplied input. Affected Products include: DSR-150, DSR-150N, and DSR-250N v1.09B32_WW.

Buffer Overflow vulnerability in D-Link DSR-150, DSR-150N, DSR-250, DSR-250N, DSR-500N, DSR-1000N from 3.13 to 3.17B901C allows unauthenticated users to execute remote code execution.

D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N with firmware before 1.08B44; and DSR-500, DSR-500N, DSR-1000, and DSR-1000N with firmware before 1.08B77 have a hardcoded account of username gkJ9232xXyruTRmY, which makes it easier for remote attackers to obtain access by leveraging knowledge of the username.

D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N with firmware before 1.08B44; and DSR-500, DSR-500N, DSR-1000, and DSR-1000N with firmware before 1.08B77 stores account passwords in cleartext, which allows local users to obtain sensitive information by reading the Users[#]["Password"] fields in /tmp/teamf1.cfg.ascii.

The runShellCmd function in systemCheck.htm in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N with firmware before 1.08B44; and DSR-500, DSR-500N, DSR-1000, and DSR-1000N with firmware before 1.08B77 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) "Ping or Trace an IP Address" or (2) "Perform a DNS Lookup" section.

An issue was discovered on D-Link DSR-250 3.17 devices. Certain functionality in the Unified Services Router web interface could allow an authenticated attacker to execute arbitrary commands, due to a lack of validation of inputs provided in multipart HTTP POST requests.

An issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote, authenticated attacker to inject arbitrary crontab entries into saved configurations before uploading. These entries are executed as root.

A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.

Multiple SQL injection vulnerabilities in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N with firmware before 1.08B44; and DSR-500, DSR-500N, DSR-1000, and DSR-1000N with firmware before 1.08B77 allow remote attackers to execute arbitrary SQL commands via the password to (1) the login.authenticate function in share/lua/5.1/teamf1lualib/login.lua or (2) captivePortal.lua.