What is CVE-2018-5768?

CVE-2018-5768 is a critical-severity vulnerability in Tendacn Ac15, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2018-03-20.

How severe is CVE-2018-5768?

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

Vulnerability in Tendacn Ac15

CVE-2018-5768

A remote, unauthenticated attacker can gain remote code execution on the the Tenda AC15 router with a specially crafted password parameter for the COOKIE header.

Published 2018-03-20 · 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: 0.035 (88.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.fidusinfosec.com/tenda-ac15-hard-coded-accounts-cve-2018-5768/ (Third Party Advisory)

Frequently asked questions

What is CVE-2018-5768?: CVE-2018-5768 is a critical-severity vulnerability in Tendacn Ac15, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2018-03-20.
How severe is CVE-2018-5768?: Critical severity. CVSS v3 base score is 9.8 out of 10.