OS command injection in Telus Wi-Fi Hub
Priority MEDIUM 41CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is affected by an authenticated command injection vulnerability in multiple parameters passed to tr69_cmd.cgi. A remote attacker connected to the router's LAN and authenticated with a super user account, or using a bypass authentication vulnerability like CVE-2021-20090 could leverage this issue to run commands or gain a shell as root on the target device.
Why it matters now
EPSS 0.06529 93rd 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 |
|---|---|---|---|---|---|
| — | Telus Wi-Fi Hub (PRV65B444A-S-TS) | 3.00.20 | — | No fix listed | CNA |
- Telus Wi-Fi Hub (PRV65B444A-S-TS) Vendor— Affected 3.00.20 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20122
- 2026-10-03 Alias added: GHSA-28rc-568h-qq5j
References
More Telus Prv65b444a-s-ts Firmware vulnerabilities
- TI-2021-03421 The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is vulnerable to an… CVSS 3.1MEDIUM 4.0
Sources
- CVE-2021-20122 · CVE Program
- CVE-2021-20122 · NVD
- FIRST EPSS
- GHSA-28rc-568h-qq5j · GitHub Advisory Database · CC BY 4.0
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