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HIGH

CVE-2023-31740

CVSS v3

7.2

HIGH

EPSS Score

2.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

There is a command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06. If an attacker gains web management privileges, they can inject commands into the post request parameters WL_atten_bb, WL_atten_radio, and WL_atten_ctl in the apply.cgi interface, thereby gaining shell privileges.

Technical details

Published
2023-05-23

Frequently asked questions

What is CVE-2023-31740?

There is a command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06. If an attacker gains web management privileges, they can inject commands into the post request parameters WL_atten_bb, WL_atten_radio, and WL_atten_ctl in the apply.cgi interface, thereby gaining shell privileges.

Is CVE-2023-31740 actively exploited?

Active exploitation of CVE-2023-31740 has not been confirmed. Its EPSS score was 2.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-31740?

CVE-2023-31740 has a CVSS v3 base score of 7.2 (HIGH severity).

Is CVE-2023-31740 affecting your environment?

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