CVE-2023-31740

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-05-23 · updated 2026-07-09
Weakness: CWE-77

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.

Affected products

Linksys E2000 Firmware: 1.0.06

References

https://github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31740/Linksys_E2000_RCE.pdf
https://github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31740/Linksys_E2000_RCE.pdf

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