RCE in Zyxel Wre6505 Firmware

CVE-2017-7964

Zyxel WRE6505 devices have a default TELNET password of 1234 for the root and admin accounts, which makes it easier for remote attackers to conduct DNS hijacking attacks by reconfiguring the built-in dnshijacker process.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (83.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-7964: held from 0.025 to 0.025.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-7964?
CVE-2017-7964 is a critical-severity vulnerability in Zyxel Wre6505 Firmware, classified under Initialization of a Resource with an Insecure Default. CVSS score: 10.0/10. Published 2017-04-19.
How severe is CVE-2017-7964?
Critical severity. CVSS v3 base score is 10.0 out of 10.