OS Command Injection Vulnerability in Linksys ESeries Routers
CVE-2018-3954

7.2HIGH

Key Information:

Vendor

Linksys
Status
Eseries E1200
Eseries E2500
Vendor
CVE Published:
17 October 2018

What is CVE-2018-3954?

Linksys ESeries routers are vulnerable to an OS command injection attack that exploits improper data filtering in the router's web portal. Specifically, the vulnerability allows attackers to manipulate the 'Router Name' input field, sending malicious data to the router's configuration functions via the 'apply.cgi' interface. This can ultimately enable unauthorized access and control over the router's settings, making it imperative for users to apply the necessary updates to secure their devices.

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Deploy the Patch

Affected Version(s)

ESeries E1200 Firmware Version 2.0.09

ESeries E2500 Firmware Version 3.0.04

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

EPSS Score

7% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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