What is CVE-2023-31741?

CVE-2023-31741 is a high-severity vulnerability in Linksys E2000, classified under Command Injection. CVSS score: 7.2/10. Published 2023-05-23.

How severe is CVE-2023-31741?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Linksys E2000

CVE-2023-31741

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_ssid, wl_ant, wl_rate, WL_atten_ctl, ttcp_num, ttcp_size in the httpd s Start_EPI() function, thereby gaining shell privileges.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-05-23 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: +0.000

Affected products

Linksys E2000
Linksys E2000 Firmware — versions 1.0.06

Weakness classification (CWE)

CWE-77 — Command Injection

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31741/Linksys_E2000_RCE_2.pdf (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2023-31741?: CVE-2023-31741 is a high-severity vulnerability in Linksys E2000, classified under Command Injection. CVSS score: 7.2/10. Published 2023-05-23.
How severe is CVE-2023-31741?: High severity. CVSS v3 base score is 7.2 out of 10.