D-Link DSL-6641K N8.TR069.20131126 sp_pppoe_user.js doSubmitPPP Username cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in D-Link DSL-6641K N8.TR069.20131126 and classified as problematic. This affects the function doSubmitPPP of the file sp_pppoe_user.js. This manipulation of the argument Username causes cross site scripting. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is registered as CVE-2026-1744. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in D-Link DSL-6641K N8.TR069.20131126. Affected by this vulnerability is the function doSubmitPPP of the file sp_pppoe_user.js. The manipulation of the argument Username with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

It is possible to read the advisory at tzh00203.notion.site. This vulnerability is known as CVE-2026-1744. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is possible to download the exploit at tzh00203.notion.site. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.2
VulDB Meta Temp Score: 3.1

VulDB Base Score: 2.4
VulDB Temp Score: 2.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔒

CNA Base Score: 2.4
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/01/2026 Advisory disclosed
02/01/2026 +0 days VulDB entry created
02/11/2026 +10 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: tzh00203.notion.site
Status: Not defined

CVE: CVE-2026-1744 (🔒)
GCVE (CVE): GCVE-0-2026-1744
GCVE (VulDB): GCVE-100-343675
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/01/2026 17:43
Updated: 02/11/2026 04:44
Changes: 02/01/2026 17:43 (57), 02/02/2026 06:31 (30), 02/11/2026 04:44 (11)
Complete: 🔍
Submitter: tian
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #742439: D-Link DSL6641K version N8.TR069.20131126 Cross Site Scripting (by tian)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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