XSS in Kddi Corporation Hgw-Bl1500hm

CVE-2025-27567

Cross-site scripting vulnerability exists in the NickName registration screen of HGW-BL1500HM Ver 002.002.003 and earlier. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who is using the configuration page or functions accessible only from the LAN side of the product.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-27567: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-27567?
CVE-2025-27567 is a medium-severity vulnerability in Kddi Corporation Hgw-Bl1500hm, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-03-28.
How severe is CVE-2025-27567?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2025-27567 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.