Backdoor Vulnerability in TOTOLINK N350R Telnet Service
CVE-2025-8938
5.3MEDIUM
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2025-8938?
A critical security flaw exists in the TOTOLINK N350R router, specifically within the Telnet Service's formSysTel function. An attacker can manipulate the TelEnabled argument to create a backdoor within the system, enabling unauthorized access. This vulnerability can be leveraged remotely, posing a significant threat to users as the exploit has been publicly disclosed and could be deployed by malicious actors.
Affected Version(s)
N350R 1.2.3-B20130826
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.
References
CVSS V4
Score:
5.3
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
rew1X (VulDB User)