What is CVE-2018-13311?

CVE-2018-13311 is a critical-severity vulnerability in Totolink A3002ru, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-11-26.

How severe is CVE-2018-13311?

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

RCE in Totolink A3002ru

CVE-2018-13311

System command injection in formDlna in TOTOLINK A3002RU version 1.0.8 allows attackers to execute system commands via the "sambaUser" POST parameter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2018-11-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (84.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Totolink A3002ru
Totolink A3002ru Firmware — versions 1.0.8

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

blog.securityevaluators.com/new-vulnerabilities-in-totolink-a3002ru-d6f42a081154 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-13311?: CVE-2018-13311 is a critical-severity vulnerability in Totolink A3002ru, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-11-26.
How severe is CVE-2018-13311?: Critical severity. CVSS v3 base score is 9.8 out of 10.