CVE-2019-14918 — XSS in the DHCP lease-status table in Billion Smart Energy Router SG600R2 Firmwa

XSS in the DHCP lease-status table in Billion Smart Energy Router SG600R2 Firmware v3.02.rc6 allows an attacker to inject arbitrary HTML/JavaScript code to achieve client-side code execution via crafted DHCP request packets to etc_ro/web/internet/dhcpcliinfo.asp.

01What is this vulnerability?

XSS in the DHCP lease-status table in Billion Smart Energy Router SG600R2 Firmware v3.02.rc6 allows an attacker to inject arbitrary HTML/JavaScript code to achieve client-side code execution via crafted DHCP request packets to etc_ro/web/internet/dhcpcliinfo.asp.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-01-09T16:18:22.000Z
• Last modified: 2024-08-05T00:34:51.771Z

09References

• github.com — https://github.com/InnotecSystem/Device-Reversing/wiki/XSS-Injection-via-DHCP-re…