What is CVE-2023-52039?

CVE-2023-52039 is a critical-severity vulnerability in Totolink X6000r, classified under Command Injection. CVSS score: 9.8/10. Published 2024-01-24.

How severe is CVE-2023-52039?

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

RCE in Totolink X6000r

CVE-2023-52039

An issue discovered in TOTOLINK X6000R v9.4.0cu.852_B20230719 allows attackers to run arbitrary commands via the sub_415AA4 function.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-01-24 · 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: 0.008 (53.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

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

Weakness classification (CWE)

CWE-77 — Command Injection

References

github.com/Beckaf/vunl/blob/main/TOTOLINK/X6000R/2/2.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-52039?: CVE-2023-52039 is a critical-severity vulnerability in Totolink X6000r, classified under Command Injection. CVSS score: 9.8/10. Published 2024-01-24.
How severe is CVE-2023-52039?: Critical severity. CVSS v3 base score is 9.8 out of 10.