What is CVE-2025-44838?

CVE-2025-44838 is a medium-severity vulnerability in Totolink Cp900, classified under Command Injection. CVSS score: 6.3/10. Published 2025-05-01.

How severe is CVE-2025-44838?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Totolink Cp900

CVE-2025-44838

TOTOLINK CPE CP900 V6.3c.1144_B20190715 was discovered to contain a command injection vulnerability in the setUploadUserData function via the FileName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Vulnerability class: Command Injection (OS Command Injection)

Published 2025-05-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.009 (59.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.001

Affected products

Totolink Cp900
Totolink Cp900 Firmware — versions 6.3c.1144_b20190715

Weakness classification (CWE)

CWE-77 — Command Injection

References

github.com/n0wstr/IOTVuln/tree/main/CP900/setUploadUserData (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-44838?: CVE-2025-44838 is a medium-severity vulnerability in Totolink Cp900, classified under Command Injection. CVSS score: 6.3/10. Published 2025-05-01.
How severe is CVE-2025-44838?: Medium severity. CVSS v3 base score is 6.3 out of 10.