CVE intelligence and bounded remediation

CVE-2022-29730 — USR IOT 4G LTE Industrial Cellular VPN Router v1.0.36 was discovered to contain hard-coded credentials for its highest privileged account

Critical CVSS 9.8

USR IOT 4G LTE Industrial Cellular VPN Router v1.0.36 was discovered to contain hard-coded credentials for its highest privileged account. The credentials cannot be altered through normal operation of the device.

Severity
Critical
CVSS
9.8 (3.1)
Published
2022-06-02
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-798

Affected products

  • usr / usr-g808_firmware / 1.0.36
  • usr / usr-g807_firmware / 1.0.36
  • usr / usr-g806_firmware / 1.0.36
  • usr / usr-g800v2_firmware / 1.0.36
  • usr / usr-lg220-l_firmware / 1.2.7

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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