What is CVE-2023-37146?

CVE-2023-37146 is a critical-severity vulnerability in Totolink Lr350, classified under Command Injection. CVSS score: 9.8/10. Published 2023-07-07.

How severe is CVE-2023-37146?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Totolink Lr350

CVE-2023-37146

TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a command injection vulnerability via the FileName parameter in the UploadFirmwareFile function.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-07-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (79.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Totolink Lr350
Totolink Lr350 Firmware — versions 9.3.5u.6369_b20220309

Weakness classification (CWE)

CWE-77 — Command Injection

References

github.com/DaDong-G/Vulnerability_info/tree/main/TOTOLINK/lr350/2 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-37146?: CVE-2023-37146 is a critical-severity vulnerability in Totolink Lr350, classified under Command Injection. CVSS score: 9.8/10. Published 2023-07-07.
How severe is CVE-2023-37146?: Critical severity. CVSS v3 base score is 9.8 out of 10.