OS Command Injection Vulnerability in Linksys MR9600 by Linksys
CVE-2026-6992

8.6HIGH

Key Information:

Vendor

Linksys
Status
Mr9600
Vendor
CVE Published:
25 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6992?

An OS command injection vulnerability exists in the Linksys MR9600 router, specifically within the JNAP Action Handler. The issue arises from inadequate validation of the 'pin' argument in the function BTRequestGetSmartConnectStatus located in the run_central2.sh script. By exploiting this vulnerability, an attacker could potentially execute arbitrary commands on the device, posing a significant risk to network integrity. The vulnerability allows remote attackers to initiate an exploit, which is publicly documented. Immediate attention and remediation are recommended to safeguard affected systems.

Affected Version(s)

MR9600 2.0.6.206937

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-2026-6992 - Proof of Concept

References

https://vuldb.com/vuln/359544
vdb-entrytechnical-description
https://vuldb.com/vuln/359544/cti
signaturepermissions-required
https://vuldb.com/submit/797086
third-party-advisory

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

wuuu (VulDB User)
VulDB CNA Team
.