Buffer Overflow Vulnerability in Totolink N300RT Router
CVE-2026-7219
8.6HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-7219?
A buffer overflow vulnerability exists in the Totolink N300RT router, specifically within the /boafrm/formIpQoS function. An attacker can exploit this flaw by manipulating the argument 'entry_name', potentially leading to unauthorized access or remote code execution. This vulnerability affects users running version 3.4.0-B20250430 of the device, emphasizing the need for immediate attention to the security of IoT devices.
Affected Version(s)
N300RT 3.4.0-B20250430
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:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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
xyhackr (VulDB User)