Description
Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in the file upload process of the USB storage file-sharing function of HGW-BL1500HM Ver 002.002.003 and earlier. If this vulnerability is exploited, the product's files may be obtained and/or altered or arbitrary code may be executed by a crafted HTTP request to specific functions of the product from a device connected to the LAN side.
References (2)
Core 2
Core References
Various Sources
https://kddi-tech.com/contents/appendix_L2_06.html#64433e4a-8946-9c06-bddf-91cbfe56c8e5
Third Party Advisory
https://jvn.jp/en/jp/JVN04278547/
Scores
CVSS v3
8.8
EPSS
0.0080
EPSS Percentile
51.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-22
Status
published
Products (1)
KDDI CORPORATION/HGW-BL1500HM
Ver 002.002.003 and earlier
Published
Mar 28, 2025
Tracked Since
Feb 18, 2026