How severe is CVE-2018-18852?

CVE-2018-18852 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-18852 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 64% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18852?

CVE-2018-18852 affects Cerio Dt-300n Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18852?

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

When was CVE-2018-18852 published?

CVE-2018-18852 was published on 2019-06-18 and last updated on 2026-06-17.

CVE-2018-18852

CVE-2018-18852 is a high-severity vulnerability in Cerio Dt-300n Firmware with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 64% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 64% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Cerio Dt-300n Firmware
Published: 2019-06-18
Last modified: 2026-06-17

Description

Cerio DT-300N 1.1.6 through 1.1.12 devices allow OS command injection because of improper input validation of the web-interface PING feature's use of Save.cgi to execute a ping command, as exploited in the wild in October 2018.

Frequently asked questions

What is CVE-2018-18852?: Cerio DT-300N 1.1.6 through 1.1.12 devices allow OS command injection because of improper input validation of the web-interface PING feature's use of Save.cgi to execute a ping command, as exploited in the wild in October 2018.
How severe is CVE-2018-18852?: CVE-2018-18852 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-18852 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 64% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18852?: CVE-2018-18852 affects Cerio Dt-300n Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18852?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-18852 published?: CVE-2018-18852 was published on 2019-06-18 and last updated on 2026-06-17.

References

https://www.fortiguard.com/zeroday/FG-VD-18-149

Affected products (1)

cpe:2.3:o:cerio:dt-300n_firmware:*:*:*:*:*:*:*:*

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