The web application portal of the Cobham EXPLORER 710, firmware version 1.07, allows unauthenticated access to a port that can run AT commands

published 2019-10-10 7y ago modified 2026-06-17 4mo ago also EUVD-2019-18903

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.5%; EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

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.

Is CVE-2019-9531 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

2.51% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

Cobham plc Explorer 710

Classification

Weakness

CWE-284 Improper Access Control
CWE-287 Improper Authentication

References

kb.cert.org /vuls/id/719689/
third-party-advisory, us-government-resource

Sources

CVE List CVE-2019-9531
NVD CVE-2019-9531

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.