An issue was discovered in the Quantenna WiFi Controller on Telus Actiontec WEB6000Q…
Priority MEDIUM 44CWE-269Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-269.
Summary
An issue was discovered in the Quantenna WiFi Controller on Telus Actiontec WEB6000Q v1.1.02.22 devices. An attacker can statically set his/her IP to anything on the 169.254.1.0/24 subnet, and obtain root access by connecting to 169.254.1.2 port 23 with telnet/netcat.
Why it matters now
EPSS 0.03258 88th 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-2018-15557
- 2026-10-03 Alias added: GHSA-cr8p-pv2x-8ph2
References
More Actiontec Web6000q Firmware vulnerabilities
- TI-2018-11093 The Quantenna WiFi Controller on Telus Actiontec WEB6000Q v1.1.02.22 allows login with… CVSS 3.0CRITICAL 9.8
- TI-2018-11092 On Telus Actiontec WEB6000Q v1.1.02.22 devices, an attacker can login with root level… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2018-15557 · CVE Program
- CVE-2018-15557 · NVD
- FIRST EPSS
- GHSA-cr8p-pv2x-8ph2 · 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