CVE-2026-1744
D-Link DSL-6641K sp_pppoe_user.js doSubmitPPP cross site scripting
- State
- Published
- Severity
- 4.8 Medium
- Published
- Feb 2, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 1, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 2.4 Low | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 2.4 Low | CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 3.3 Low | AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
DSL-6641KD-Link |
|
References
- VDB-343675 | D-Link DSL-6641K sp_pppoe_user.js doSubmitPPP cross site scriptingvdb-entrytechnical-description
- VDB-343675 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #742439 | D-Link DSL6641K version N8.TR069.20131126 Cross Site Scriptingthird-party-advisory
- https://tzh00203.notion.site/D-Link-DSL6641K-version-N8-TR069-20131126-XSS-via-sp_pppoe_user-js-Configuration-2eeb5c52018a80d083aaf19efbaa9130?source=copy_linkexploit
- https://www.dlink.com/product
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