Zyxel WRE6505 devices have a default TELNET password of 1234 for the root and admin…
Priority MEDIUM 48CWE-1188Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.02477 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-7964
- 2026-10-03 Alias added: GHSA-2wc3-9w3j-8phw
References
Exploit 1
More Zyxel Wre6505 Firmware vulnerabilities
- TI-2026-06370 OS command injection in Zyxel WRE6505 v2 firmware CVSS 3.1HIGH 8.8
- TI-2026-06369 Missing brute-force protection in Zyxel WRE6505 v2 firmware CVSS 3.1MEDIUM 6.5
- TI-2026-05313 Improper output encoding in Zyxel WRE6505 v2 firmware CVSS 3.1MEDIUM 5.7
- TI-2026-06371 Insecure storage of sensitive information in Zyxel WRE6505 v2 firmware CVSS 3.1MEDIUM 4.4
Sources
- CVE-2017-7964 · CVE Program
- CVE-2017-7964 · NVD
- FIRST EPSS
- GHSA-2wc3-9w3j-8phw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences