CVE-2021-25306

7.5 highEPSS 1.5%

High (7.5) in gigaset dx600a firmware. EPSS 1.5% chance of exploitation in the next 30 days.

A buffer overflow vulnerability in the AT command interface of Gigaset DX600A v41.00-175 devices allows remote attackers to force a device reboot by sending relatively long AT commands.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2021-03-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gigaset:dx600a_firmware

References

https://research.nccgroup.com/2021/02/28/technical-advisory-administrative-passcode-recovery-and-authenticated-remote-buffer-overflow-vulnerabilities-in-gigaset-dx600a-handset-cve-2021-25309-cve-2021-25306/
https://research.nccgroup.com/2021/02/28/technical-advisory-administrative-passcode-recovery-and-authenticated-remote-buffer-overflow-vulnerabilities-in-gigaset-dx600a-handset-cve-2021-25309-cve-2021-25306/

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