CVE-2018-5371: d-link dsl-2540u_firmware OS Command Injection

Vulnerability summary

CVE-2018-5371 is a high (CVSS 9.0) OS Command Injection vulnerability in d-link dsl-2540u_firmware. EPSS estimates a 41.99% chance of exploitation in the next 30 days, higher than 98.6% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 12-01-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

diag_ping.cmd on D-Link DSL-2640U devices with firmware IM_1.00 and ME_1.00, and DSL-2540U devices with firmware ME_1.00, allows authenticated remote attackers to execute arbitrary OS commands via shell metacharacters in the ipaddr field of an HTTP GET request.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.