Improper authentication in Gryphon Tower router
Priority LOW 35CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Gryphon Tower routers contain an unprotected openvpn configuration file which can grant attackers access to the Gryphon homebound VPN network which exposes the LAN interfaces of other users' devices connected to the same service. An attacker could leverage this to make configuration changes to, or otherwise attack victims' devices as though they were on an adjacent network.
Why it matters now
EPSS 0.01283 70th 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 |
|---|---|---|---|---|---|
| — | Gryphon Tower router | <= 04.0004.12 (Current) | — | No fix listed | CNA |
- Gryphon Tower router Vendor— Affected <= 04.0004.12 (Current) Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:*:*:*:*:*:*:*:* | up to 04.0004.12 | Vulnerable | Gryphonconnect |
| cpe:2.3:h:gryphonconnect:gryphon_tower:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Gryphonconnect |
- cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:*:*:*:*:*:*:*:* Versions up to 04.0004.12 Vulnerable ·Gryphonconnect
- cpe:2.3:h:gryphonconnect:gryphon_tower:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Gryphonconnect
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20145
- 2026-10-03 Alias added: GHSA-mgrc-fpr7-mq3c
References
More Gryphonconnect Gryphon Tower Firmware vulnerabilities
- TI-2021-03446 Insufficiently protected credentials in Gryphon Tower router CVSS 3.1CRITICAL 9.8
- TI-2021-03440 OS command injection in Gryphon Tower router CVSS 3.1HIGH 8.8
- TI-2021-03439 OS command injection in Gryphon Tower router CVSS 3.1HIGH 8.8
- TI-2021-03444 OS command injection in Gryphon Tower router CVSS 3.1HIGH 8.8
- TI-2021-03443 OS command injection in Gryphon Tower router CVSS 3.1HIGH 8.8
- TI-2021-03442 OS command injection in Gryphon Tower router CVSS 3.1HIGH 8.8
Sources
- CVE-2021-20145 · CVE Program
- CVE-2021-20145 · NVD
- FIRST EPSS
- GHSA-mgrc-fpr7-mq3c · 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