Privilege escalation in Trendnet Tew-822dre
CVE-2025-8758
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Trendnet Tew-822dre — versions FW103B02
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- www.notion.so/23e54a1113e78009adc9d909b254812b (exploit)
Frequently asked questions
- What is CVE-2025-8758?
- CVE-2025-8758 is a high-severity vulnerability in Trendnet Tew-822dre, classified under Incorrect Privilege Assignment. CVSS score: 7.0/10. Published 2025-08-09.
- How severe is CVE-2025-8758?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2025-8758 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.