CVE-2025-27567: XSS (CVSS 5.4)

Description

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.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://jvn.jp/en/jp/JVN04278547/ https://kddi-tech.com/contents/appendix_L2_06.html#64433e4a-8946-9c06-bddf-91cbfe56c8e5

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-27567? +

CVE-2025-27567 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-27567? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-27567