How severe is CVE-2018-19978?

CVE-2018-19978 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-19978 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19978?

CVE-2018-19978 affects Auerswald Comfortel 1200 Ip Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19978?

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-2018-19978 published?

CVE-2018-19978 was published on 2019-05-29 and last updated on 2026-06-17.

CVE-2018-19978

CVE-2018-19978 is a high-severity vulnerability in Auerswald Comfortel 1200 Ip Firmware with a CVSS 3.x base score of 8.0. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 7.7
EPSS exploit prediction: 4% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Auerswald Comfortel 1200 Ip Firmware
Published: 2019-05-29
Last modified: 2026-06-17

Description

A buffer overflow vulnerability in the DHCP and PPPOE configuration interface of the Auerswald COMfort 1200 IP phone 3.4.4.1-10589 allows a remote attacker (authenticated as simple user in the same network as the device) to trigger remote code execution via a POST request (ManufacturerName parameter) to the web server on the device. The web server is running with root privileges and the injected code will also run with root privileges.

Frequently asked questions

What is CVE-2018-19978?: A buffer overflow vulnerability in the DHCP and PPPOE configuration interface of the Auerswald COMfort 1200 IP phone 3.4.4.1-10589 allows a remote attacker (authenticated as simple user in the same network as the device) to trigger remote code execution via a POST request (ManufacturerName parameter) to the web server on the device. The web server is running with root privileges and the injected code will also run with root privileges.
How severe is CVE-2018-19978?: CVE-2018-19978 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-19978 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19978?: CVE-2018-19978 affects Auerswald Comfortel 1200 Ip Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19978?: 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-2018-19978 published?: CVE-2018-19978 was published on 2019-05-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:auerswald:comfortel_1200_ip_firmware:3.4.4.1-10589:-:*:*:*:*:*:*

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