How severe is CVE-2018-6826?

CVE-2018-6826 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6826 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6826?

CVE-2018-6826 affects Omninova Vobot Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6826?

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-2018-6826 published?

CVE-2018-6826 was published on 2018-02-09 and last updated on 2026-06-17.

CVE-2018-6826

CVE-2018-6826 is a high-severity vulnerability in Omninova Vobot Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.6
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Omninova Vobot Firmware
Published: 2018-02-09
Last modified: 2026-06-17

Description

An issue was discovered on VOBOT CLOCK before 0.99.30 devices. Cleartext HTTP is used to download a breakout program, and therefore man-in-the-middle attackers can execute arbitrary code by watching for a local user to launch the Breakout Easter Egg feature, and then sending a crafted HTTP response.

Frequently asked questions

What is CVE-2018-6826?: An issue was discovered on VOBOT CLOCK before 0.99.30 devices. Cleartext HTTP is used to download a breakout program, and therefore man-in-the-middle attackers can execute arbitrary code by watching for a local user to launch the Breakout Easter Egg feature, and then sending a crafted HTTP response.
How severe is CVE-2018-6826?: CVE-2018-6826 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6826 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6826?: CVE-2018-6826 affects Omninova Vobot Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6826?: 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-2018-6826 published?: CVE-2018-6826 was published on 2018-02-09 and last updated on 2026-06-17.

References

http://stacksmashing.net/CVE-2018-6826.html

Affected products (1)

cpe:2.3:o:omninova:vobot_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Omninova Vobot Firmware

CVE-2018-6825 — Critical (CVSS 9.8): An issue was discovered on VOBOT CLOCK before 0.99.30 devices. An SSH server exists with a hardcoded vobot account that…
CVE-2018-6827 — High (CVSS 8.1): VOBOT CLOCK before 0.99.30 devices do not verify X.509 certificates from SSL servers, which allows man-in-the-middle…

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