CVE-2023-31740

Name: CVE-2023-31740
Creator: NVD / NIST
Published: 2023-05-23T01:15:10.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 2.69%

Last modified Jun 17, 2026

CVE-2023-31740 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 2.69% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.69%

84.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linksys	E2000 Firmware	1.0.06

References

http://linksys.comProduct
https://github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31740/Linksys_E2000_RCE.pdfExploit, Mitigation, Third Party Advisory
http://linksys.comProduct
https://github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31740/Linksys_E2000_RCE.pdfExploit, Mitigation, Third Party Advisory

Timeline

Published: May 23, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31740?

How severe is CVE-2023-31740?

CVE-2023-31740 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 2.69% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31740?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31740?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST