CVE intelligence and bounded remediation

CVE-2019-9531 — The web application portal of the Cobham EXPLORER 710, firmware version 1.07, allows unauthenticated access to port 5454

Critical CVSS 9.8

The web application portal of the Cobham EXPLORER 710, firmware version 1.07, allows unauthenticated access to port 5454. This could allow an unauthenticated, remote attacker to connect to this port via Telnet and execute 86 Attention (AT) commands, including some that provide unauthenticated, shell-like access to the device.

Severity
Critical
CVSS
9.8 (3.1)
Published
2019-10-10
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-284, CWE-287

Affected products

  • cobham / explorer_710_firmware / 1.07

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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