Improper Authentication in TRENDnet TV-IP121W Web Interface
CVE-2025-5870

6.9MEDIUM

Key Information:

Vendor

Trendnet

Status
Tv-ip121w
Vendor
CVE Published:
9 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5870?

A vulnerability exists in the TRENDnet TV-IP121W model due to improper authentication within the web interface's setup.cgi file. This flaw allows attackers to remotely exploit the device by bypassing authentication mechanisms, potentially compromizing the device's security. Despite early notifications to the vendor, no response has been received to address this critical issue, leaving users at risk. The vulnerability is publicly disclosed and could be utilized in attacks, emphasizing the need for immediate awareness and preventive measures.

Affected Version(s)

TV-IP121W 1.1.1 Build 36

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-5870 - Proof of Concept

References

https://vuldb.com/?id.311629
vdb-entry
https://vuldb.com/?ctiid.311629
signaturepermissions-required
https://vuldb.com/?submit.585435
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

zeke (VulDB User)
.
CVE-2025-5870 : Improper Authentication in TRENDnet TV-IP121W Web Interface