CVE-2026-27790: CWE-248 Uncaught exception in Gallagher T-20 Readers
Uncaught Exception (CWE-248) in the T20 Readers allows an authenticated and authorized operator to trigger a restart by sending specific requests, resulting in a temporary denial of service. Version of Command Centre affected: * 9.50 prior to vCR9.50.260616a (distributed in 9.50.1587(MR1)) * 9.40 prior to vCR9.40.260616a (distributed in 9.40.3130(MR3)) * 9.30 prior to vCR9.30.260616a (distributed in 9.30.3983(MR5)) * 9.20 prior to vCR9.20.260616a (distributed in 9.20.4349(MR7)) * all versions of 9.10 and prior.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-27790 involves an uncaught exception (CWE-248) in Gallagher T-20 Readers. An authenticated and authorized operator can send specific requests that cause the device to restart unexpectedly, leading to a temporary denial of service condition. The affected versions include Command Centre versions 9.50 prior to vCR9.50.260616a, 9.40 prior to vCR9.40.260616a, 9.30 prior to vCR9.30.260616a, 9.20 prior to vCR9.20.260616a, and all versions of 9.10 and earlier. The CVSS v3.1 base score is 2.7, reflecting low severity with no impact on confidentiality or integrity, only availability. No vendor advisory or patch links are currently available, and the remediation level is not specified.
Potential Impact
The impact of this vulnerability is limited to a temporary denial of service caused by device restarts triggered by specific requests from an authenticated and authorized operator. There is no impact on confidentiality or integrity of the system. The low CVSS score (2.7) reflects the limited scope and severity of the issue.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or remediation level is provided, organizations should monitor Gallagher's advisories for updates. Until a fix is available, restrict operator access to trusted personnel and audit operator actions to reduce the risk of intentional or accidental triggering of this issue.
CVE-2026-27790: CWE-248 Uncaught exception in Gallagher T-20 Readers
Description
Uncaught Exception (CWE-248) in the T20 Readers allows an authenticated and authorized operator to trigger a restart by sending specific requests, resulting in a temporary denial of service. Version of Command Centre affected: * 9.50 prior to vCR9.50.260616a (distributed in 9.50.1587(MR1)) * 9.40 prior to vCR9.40.260616a (distributed in 9.40.3130(MR3)) * 9.30 prior to vCR9.30.260616a (distributed in 9.30.3983(MR5)) * 9.20 prior to vCR9.20.260616a (distributed in 9.20.4349(MR7)) * all versions of 9.10 and prior.
CVSS v3.1
Score 2.7low
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-27790 involves an uncaught exception (CWE-248) in Gallagher T-20 Readers. An authenticated and authorized operator can send specific requests that cause the device to restart unexpectedly, leading to a temporary denial of service condition. The affected versions include Command Centre versions 9.50 prior to vCR9.50.260616a, 9.40 prior to vCR9.40.260616a, 9.30 prior to vCR9.30.260616a, 9.20 prior to vCR9.20.260616a, and all versions of 9.10 and earlier. The CVSS v3.1 base score is 2.7, reflecting low severity with no impact on confidentiality or integrity, only availability. No vendor advisory or patch links are currently available, and the remediation level is not specified.
Potential Impact
The impact of this vulnerability is limited to a temporary denial of service caused by device restarts triggered by specific requests from an authenticated and authorized operator. There is no impact on confidentiality or integrity of the system. The low CVSS score (2.7) reflects the limited scope and severity of the issue.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or remediation level is provided, organizations should monitor Gallagher's advisories for updates. Until a fix is available, restrict operator access to trusted personnel and audit operator actions to reduce the risk of intentional or accidental triggering of this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Gallagher
- Date Reserved
- 2026-03-01T23:45:09.724Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4c85f927e9c79719ebd74e
Added to database: 07/07/2026, 04:52:09 UTC
Last enriched: 07/14/2026, 09:03:08 UTC
Last updated: 08/19/2026, 10:57:08 UTC
Views: 71
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