How severe is CVE-2018-12925?

CVE-2018-12925 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-2018-12925 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12925?

CVE-2018-12925 affects Lantronix Mss Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12925?

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-2018-12925 published?

CVE-2018-12925 was published on 2018-06-28 and last updated on 2026-06-17.

CVE-2018-12925

CVE-2018-12925 is a critical-severity vulnerability in Lantronix Mss 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-521.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
Affected product: Lantronix Mss Firmware
Published: 2018-06-28
Last modified: 2026-06-17

Description

Baseon Lantronix MSS devices do not require a password for TELNET access.

Frequently asked questions

What is CVE-2018-12925?: Baseon Lantronix MSS devices do not require a password for TELNET access.
How severe is CVE-2018-12925?: CVE-2018-12925 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-2018-12925 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12925?: CVE-2018-12925 affects Lantronix Mss Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12925?: 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-2018-12925 published?: CVE-2018-12925 was published on 2018-06-28 and last updated on 2026-06-17.

References

https://www.seebug.org/vuldb/ssvid-97375

Affected products (1)

cpe:2.3:o:lantronix:mss_firmware:-:*:*:*:*:*:*:*

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