Hard-coded credentials in Sierra Wireless
Priority MEDIUM 43CWE-798Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- 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-798.
Summary
A hard-coded credentials vulnerability exists in the snmpd function of the Sierra Wireless AirLink ES450 FW 4.9.3. Activating snmpd outside of the WebUI can cause the activation of the hard-coded credentials, resulting in the exposure of a privileged user. An attacker can activate snmpd without any configuration changes to trigger this vulnerability.
Why it matters now
EPSS 0.05324 92nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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-2018-4062
- 2026-10-03 Alias added: GHSA-x7qh-pj6r-h933
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-2018-03030 Improper authentication in Sierra Wireless CVSS 3.1HIGH 7.1
Sources
- CVE-2018-4062 · CVE Program
- CVE-2018-4062 · NVD
- FIRST EPSS
- GHSA-x7qh-pj6r-h933 · 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