CVE-2025-27726: Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in the file download process of the USB storage...

2.1 CVSS

Description

Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in the file download 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 by a crafted HTTP request to specific functions of the product from a device connected to the LAN side.

Classification

CVE ID: CVE-2025-27726

CVSS Base Severity: LOW

CVSS Base Score: 2.1

CVSS Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Problem Types

Improper limitation of a pathname to a restricted directory ('Path Traversal')

Affected Products

Vendor: KDDI CORPORATION

Product: HGW-BL1500HM

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.08% (probability of being exploited)

EPSS Percentile: 24.49% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-27726
https://kddi-tech.com/contents/appendix_L2_06.html#64433e4a-8946-9c06-bddf-91cbfe56c8e5
https://jvn.jp/en/jp/JVN04278547/

Timeline