How severe is CVE-2022-26078?

CVE-2022-26078 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-26078 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26078?

CVE-2022-26078 affects Gallagher Controller 6000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26078?

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-2022-26078 published?

CVE-2022-26078 was published on 2022-07-06 and last updated on 2026-06-17.

CVE-2022-26078

CVE-2022-26078 is a high-severity vulnerability in Gallagher Controller 6000 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. The underlying weakness is classified as CWE-754.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-754
Affected product: Gallagher Controller 6000 Firmware
Published: 2022-07-06
Last modified: 2026-06-17

Description

Gallagher Controller 6000 is vulnerable to a Denial of Service attack via conflicting ARP packets with a duplicate IP address. This issue affects: Gallagher Gallagher Controller 6000 vCR8.60 versions prior to 220303a; vCR8.50 versions prior to 220303a; vCR8.40 versions prior to 220303a; vCR8.30 versions prior to 220303a.

Frequently asked questions

What is CVE-2022-26078?: Gallagher Controller 6000 is vulnerable to a Denial of Service attack via conflicting ARP packets with a duplicate IP address. This issue affects: Gallagher Gallagher Controller 6000 vCR8.60 versions prior to 220303a; vCR8.50 versions prior to 220303a; vCR8.40 versions prior to 220303a; vCR8.30 versions prior to 220303a.
How severe is CVE-2022-26078?: CVE-2022-26078 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-26078 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26078?: CVE-2022-26078 affects Gallagher Controller 6000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26078?: 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-2022-26078 published?: CVE-2022-26078 was published on 2022-07-06 and last updated on 2026-06-17.

References

https://security.gallagher.com/Security-Advisories/CVE-2022-26078

Affected products (1)

cpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Gallagher Controller 6000 Firmware

CVE-2023-24590 — High (CVSS 7.5): A format string issue in the Controller 6000's optional diagnostic web interface can be used to write/read from memory,…
CVE-2023-24584 — High (CVSS 7.5): Controller 6000 is vulnerable to a buffer overflow via the Controller diagnostic web interface upload feature.…
CVE-2023-22439 — Low (CVSS 3.1): Improper input validation of a large HTTP request in the Controller 6000 and Controller 7000 optional diagnostic web…
CVE-2023-41967 — Low (CVSS 2.4): Sensitive information uncleared after debug/power state transition in the Controller 6000 could be abused by an…

All CVEs affecting Gallagher Controller 6000 Firmware →

Other CWE-754 (Improper Check for Unusual or Exceptional Conditions) vulnerabilities

CVE-2026-24054 — Critical (CVSS 10.0): Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs)…
CVE-2021-0211 — Critical (CVSS 10.0): An improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved Routing…
CVE-2026-8091 — Critical (CVSS 9.8): Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150,…
CVE-2024-52316 — Critical (CVSS 9.8): Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use a custom Jakarta…
CVE-2024-7826 — Critical (CVSS 9.8): Improper Check for Unusual or Exceptional Conditions vulnerability in Webroot SecureAnywhere - Web Shield on Windows,…
CVE-2023-37303 — Critical (CVSS 9.8): An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to…

Browse all CWE-754 (Improper Check for Unusual or Exceptional Conditions) vulnerabilities →