Improper authentication in Sierra Wireless
Priority MEDIUM 47CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
An exploitable unverified password change vulnerability exists in the ACEManager upload.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A specially crafted HTTP request can cause a unverified device configuration change, resulting in an unverified change of the user password on the device. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Why it matters now
EPSS 0.14478 96th 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 |
|---|---|---|---|---|---|
| — | Sierra Wireless | Sierra Wireless AirLink ES450 FW 4.9.3 | — | No fix listed | CNA |
- Sierra Wireless Vendor— Affected Sierra Wireless AirLink ES450 FW 4.9.3 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sierrawireless:airlink_es450_firmware:4.9.3:*:*:*:*:*:*:* | 4.9.3 | Vulnerable | SierraWireless |
| cpe:2.3:h:sierrawireless:airlink_es450:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
- cpe:2.3:o:sierrawireless:airlink_es450_firmware:4.9.3:*:*:*:*:*:*:* Versions 4.9.3 Vulnerable ·SierraWireless
- cpe:2.3:h:sierrawireless:airlink_es450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-4064
- 2026-10-03 Alias added: GHSA-653p-mrq2-3gw2
References
More SierraWireless Airlink Es450 Firmware vulnerabilities
- TI-2018-03039 Incorrect permission assignment in Sierra Wireless CVSS 3.0HIGH 8.8
- TI-2018-03038 Incorrect permission assignment in Sierra Wireless CVSS 3.0HIGH 8.8
- TI-2018-03037 Information disclosure in Sierra Wireless CVSS 3.0HIGH 8.8
- TI-2018-03036 Information disclosure in Sierra Wireless CVSS 3.0HIGH 8.8
- TI-2018-03027 OS command injection in Sierra Wireless CVSS 3.0HIGH 8.8
- TI-2018-03028 Hard-coded credentials in Sierra Wireless CVSS 3.0HIGH 8.1
Sources
- CVE-2018-4064 · CVE Program
- CVE-2018-4064 · NVD
- FIRST EPSS
- GHSA-653p-mrq2-3gw2 · 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