How severe is CVE-2016-10305?

CVE-2016-10305 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-10305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10305?

CVE-2016-10305 primarily affects Gotrango Apex Plus Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-10305?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-10305 published?

CVE-2016-10305 was published on 2017-03-30 and last updated on 2026-06-17.

CVE-2016-10305

Q: What is CVE-2016-10305?

Trango Apex <= 2.1.1, ApexLynx < 2.0, ApexOrion < 2.0, ApexPlus <= 3.2.0, Giga <= 2.6.1, GigaLynx < 2.0, GigaOrion < 2.0, GigaPlus <= 3.2.3, GigaPro <= 1.4.1, StrataLink < 3.0, and StrataPro devices have a built-in, hidden root account, with a default password that was once stored in cleartext within a software update package on a Trango FTP server. This account is accessible via SSH and/or TELNET, and grants access to the underlying embedded UNIX OS on the device, allowing full control over it.

CVE-2016-10305 is a critical-severity vulnerability in Gotrango Apex Plus Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Gotrango Apex Plus Firmware
Published: 2017-03-30
Last modified: 2026-06-17

Description

Trango Apex <= 2.1.1, ApexLynx < 2.0, ApexOrion < 2.0, ApexPlus <= 3.2.0, Giga <= 2.6.1, GigaLynx < 2.0, GigaOrion < 2.0, GigaPlus <= 3.2.3, GigaPro <= 1.4.1, StrataLink < 3.0, and StrataPro devices have a built-in, hidden root account, with a default password that was once stored in cleartext within a software update package on a Trango FTP server. This account is accessible via SSH and/or TELNET, and grants access to the underlying embedded UNIX OS on the device, allowing full control over it.

Frequently asked questions

What is CVE-2016-10305?: Trango Apex <= 2.1.1, ApexLynx < 2.0, ApexOrion < 2.0, ApexPlus <= 3.2.0, Giga <= 2.6.1, GigaLynx < 2.0, GigaOrion < 2.0, GigaPlus <= 3.2.3, GigaPro <= 1.4.1, StrataLink < 3.0, and StrataPro devices have a built-in, hidden root account, with a default password that was once stored in cleartext within a software update package on a Trango FTP server. This account is accessible via SSH and/or TELNET, and grants access to the underlying embedded UNIX OS on the device, allowing full control over it.
How severe is CVE-2016-10305?: CVE-2016-10305 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-10305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10305?: CVE-2016-10305 primarily affects Gotrango Apex Plus Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-10305?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-10305 published?: CVE-2016-10305 was published on 2017-03-30 and last updated on 2026-06-17.

References

http://blog.iancaling.com/post/153011925478

Affected products (11)

cpe:2.3:o:gotrango:apex_plus_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:apex_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:apex_lynx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:apex_orion_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:giga_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:giga_lynx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:giga_orion_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:giga_plus_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:giga_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:stratalink_pro_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:gotrango:stratalink_firmware:*:*:*:*:*:*:*:*

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