RCE in D-Link Dsl-6641k

CVE-2026-1744

A vulnerability was found in D-Link DSL-6641K N8.TR069.20131126. Affected by this issue is the function doSubmitPPP of the file sp_pppoe_user.js. The manipulation of the argument Username results in cross site scripting. The attack may be launched remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (33.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1744?
CVE-2026-1744 is a low-severity vulnerability in D-Link Dsl-6641k, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2026-02-02.
How severe is CVE-2026-1744?
Low severity. CVSS v3 base score is 2.4 out of 10.