SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-7539

On Appear TV XC5000 and XC5100 devices with firmware 3.26.217, it is possible to read OS files with a specially crafted HTTP request (such as GET /../../../../../../../../../../../../etc/passwd) to the web server (fuzzd/0.1.1) running the Maintenance…

CRITICAL 9.8EPSS 4.14%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

On Appear TV XC5000 and XC5100 devices with firmware 3.26.217, it is possible to read OS files with a specially crafted HTTP request (such as GET /../../../../../../../../../../../../etc/passwd) to the web server (fuzzd/0.1.1) running the Maintenance Center on port TCP/8088. This can lead to full compromise of the device.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.14% probability · 91th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-22
Affected
appeartv/xc5000 firmware · appeartv/xc5100 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 4.14%27 October 202627 October 2026

EPSS 4.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.