CVE-2017-7964

critical
Published 2017-04-19 · Modified 2026-05-13
CVSS v3
10.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v2
10.0
VIR risk
10.0

Description

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.

Predictions

Exploit likelihood
98%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://www.oxy-gen.mobi/blog.html

References

CWEs

CWE-1188

Verify integrity in audit chain (admin only). AS-IS.