What is CVE-2025-52053?

CVE-2025-52053 is a critical-severity vulnerability in Totolink X6000r, classified under Command Injection. CVSS score: 9.8/10. Published 2025-09-15.

How severe is CVE-2025-52053?

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

Is CVE-2025-52053 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Totolink X6000r

CVE-2025-52053

TOTOLINK X6000R V9.4.0cu.1360_B20241207 was found to contain a command injection vulnerability in the sub_417D74 function via the file_name parameter. This vulnerability allows unauthenticated attackers to execute arbitrary commands via a crafted request.

Vulnerability class: Command Injection (OS Command Injection)

Published 2025-09-15 · 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: 0.044 (91.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000

Affected products

Totolink X6000r
Totolink X6000r Firmware — versions 9.4.0cu.1360_b20241207

Weakness classification (CWE)

CWE-77 — Command Injection

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

totolink.net (Product)
github.com/w0rkd4tt/Totolink/blob/main/CVE-2025-52053/CVE-2025-52053.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-52053?: CVE-2025-52053 is a critical-severity vulnerability in Totolink X6000r, classified under Command Injection. CVSS score: 9.8/10. Published 2025-09-15.
How severe is CVE-2025-52053?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-52053 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.