Command Injection Vulnerability in TOTOLINK N600R Router
CVE-2026-79912

6.9MEDIUM

Key Information:

Vendor

Totolink
Status
N600r
Vendor
CVE Published:
25 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-79912?

A security flaw has been discovered in the TOTOLINK N600R router that allows for a command injection via the ntp_server argument in the getCurrentTime function located in the /cgi-bin/cstecgi.cgi file. This vulnerability enables an attacker to send specially crafted commands remotely, potentially compromising the device's functionality. As this exploit has been made public, users are urged to secure their devices against potential attacks.

Affected Version(s)

N600R 4.3.0cu.7647_B20210106

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-2026-79912 - Proof of Concept

References

https://vuldb.com/vuln/395062
vdb-entrytechnical-description
https://vuldb.com/vuln/395062/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-79912
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

ST4R0002 (VulDB User)
.