CVE-2025-8758

Local device takeover via undisclosed privilege assignment

Published Aug 9, 2025 · Updated Aug 12, 2025

Privilege assignment flaw in the vsftpd component of TRENDnet TEW-822DRE firmware 1.03B02 allows local users to take control. Published records identify neither the affected vsftpd code path nor the incorrect privilege operation performed on untrusted input. Low-privileged local access and a high-complexity attack are required; successful exploitation grants control of the appliance.

CVSS severity7.0
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege assignment flaw in the vsftpd component of TRENDnet TEW-822DRE firmware 1.03B02 allows local users to take control. Published records identify neither the affected vsftpd code path nor the incorrect privilege operation performed on untrusted input. Low-privileged local access and a high-complexity attack are required; successful exploitation grants control of the appliance.

The record

CVE
CVE-2025-8758
Published
Aug 9, 2025
Updated
Aug 12, 2025
Vendor
TRENDnet
Product
TEW-822DRE
Classifications
CWE-266, CWE-272, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 9, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=FW103B02

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

TRENDnet · TEW-822DREversion=FW103B02

Published CVSS scores

6.0VulDBAV:L/AC:H/Au:S/C:C/I:C/A:C
7.3VulDBCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
7.0VulDBCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-266Incorrect Privilege Assignment
CWE-272Least Privilege Violation
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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