Path traversal in HGW-BL1500HM - CVE-2025-27726
Published: March 19, 2025
Vulnerability identifier: #VU105868
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-27726
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: KDDI CORPORATION
Affected software:
HGW-BL1500HM
HGW-BL1500HM
Detailed vulnerability description
The vulnerability allows a local attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the file download process of the USB storage file-sharing function. An authenticated attacker with physical access can send a specially crafted HTTP request and read arbitrary files on the system.
How to mitigate CVE-2025-27726
Install updates from vendor's website.