What is CVE-2023-50651?

CVE-2023-50651 is a critical-severity vulnerability in Totolink X6000r, classified under OS Command Injection. CVSS score: 9.8/10. Published 2023-12-30.

How severe is CVE-2023-50651?

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

RCE in Totolink X6000r

CVE-2023-50651

TOTOLINK X6000R v9.4.0cu.852_B20230719 was discovered to contain a remote command execution (RCE) vulnerability via the component /cgi-bin/cstecgi.cgi.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-12-30 · last modified 2026-07-09.

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: 0.028 (85.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: +0.000

Affected products

Totolink X6000r
Totolink X6000r Firmware — versions 9.4.0cu.852_b20230719

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

af854a3a-2127-422b-91ae-364da2661108 (Not Applicable)
palm-jump-676.notion.site/X6000R-sub_4119A0-11-b35b4ca36ce84e07afff85c98414d293 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-50651?: CVE-2023-50651 is a critical-severity vulnerability in Totolink X6000r, classified under OS Command Injection. CVSS score: 9.8/10. Published 2023-12-30.
How severe is CVE-2023-50651?: Critical severity. CVSS v3 base score is 9.8 out of 10.