PT-2026-5603 · D Link · Dsl-6641K

Tian · Published 2026-02-02 · Updated 2026-02-10 · CVE-2026-1744

Positive Technologies · (AI Summary)

CVSS v3.1

4.8

Medium

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

Name of the Vulnerable Software and Affected Versions D-Link DSL-6641K N8.TR069.20131126

Description A security issue exists in D-Link DSL-6641K N8.TR069.20131126 related to the doSubmitPPP function within the sp pppoe user.js file. Manipulation of the Username argument can lead to cross site scripting. This attack can be initiated remotely. The exploit for this issue has been publicly released. This vulnerability affects products that are no longer supported by the maintainer.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

XSS

Code Injection

Weakness Enumeration

CWE-79

CWE-94

Related Identifiers

CVE-2026-1744

Affected Products

Dsl-6641K

References · 11

• 🔥 https://tzh00203.notion.site/D-Link-DSL6641K-version-N8-TR069-20131126-XSS-via-sp_pppoe_user-js-Configuration-2eeb5c52018a80d083aaf19efbaa9130?source=copy_link · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-1744 · Security Note
• https://osv.dev/vulnerability/CVE-2026-1744 · Vendor Advisory
• https://t.me/cveNotify/150532 · Telegram Post
• https://twitter.com/CVEnew/status/2018198366644015172 · Twitter Post
• https://vuldb.com/?id.343675 · Note
• https://t.me/CVEtracker/43448 · Telegram Post
• https://dlink.com · Note
• https://vuldb.com/?ctiid.343675 · Note
• https://vuldb.com/?submit.742439 · Note
• https://t.me/cveNotify/151607 · Telegram Post