CVE-2026-1705 D-Link DSL-6641K Web ad_virtual_server_vdsl cross site scripting

Medium 4.8 Published Updated

Remote attackers can inject malicious scripts via the Name argument in the ad_virtual_server_vdsl function of the D-Link DSL-6641K web interface.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-1705?

CVE-2026-1705 is a medium-severity cross-site scripting vulnerability in D-Link DSL-6641K, published on 30 Jan 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A vulnerability was detected in D-Link DSL-6641K N8.TR069.20131126. Affected by this issue is the function ad_virtual_server_vdsl of the component Web Interface. Performing a manipulation of the argument Name results in cross site scripting. It is possible to initiate the attack remotely. The exploit is now public and may be used.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-1705?

How do I fix CVE-2026-1705?

No fix has been published for CVE-2026-1705 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-1705 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1705 exists.

Sources

Also known as GHSA-r8fg-vhgv-fwmw.

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