CVE-2018-7933: huawei technologies co., ltd. hirouter-cd20, ws5200 Path Traversal

Vulnerability summary

CVE-2018-7933 is a high (CVSS 7.8) Path Traversal vulnerability in huawei technologies co., ltd. hirouter-cd20, ws5200. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.8% of scored vulnerabilities.

Timeline

1. 10-05-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

Huawei home gateway products HiRouter-CD20 and WS5200 with the versions before HiRouter-CD20-10 1.9.6 and the versions before WS5200-10 1.9.6 have a path traversal vulnerability. Due to the lack of validation while these home gateway products install APK plugins, an attacker tricks a user into installing a malicious APK plugin, and plugin can overwrite arbitrary file of devices. Successful exploit may result in arbitrary code execution or privilege escalation.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.