CVE-2021-25309

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

The telnet administrator service running on port 650 on Gigaset DX600A v41.00-175 devices does not implement any lockout or throttling functionality. This situation (together with the weak password policy that forces a 4-digit password) allows remote attackers to easily obtain administrative access via brute-force attacks.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-307 CWE-521

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

Timeline

Published: Mar 2, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-253108.8The administration web interface on Belkin Linksys WRT160NL 1.0.04.002_US_20130619 devices allows remote authenticated attackers to execute CVE-2021-253119.9condor_credd in HTCondor before 8.9.11 allows Directory Traversal outside the SEC_CREDENTIAL_DIRECTORY_OAUTH directory, as demonstrated by c CVE-2021-253128.8HTCondor before 8.9.11 allows a user to submit a job as another user on the system, because of a flaw in the IDTOKENS authentication method.CVE-2021-253136.1A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rancher allows remote attackers to e CVE-2021-253147.8A Creation of Temporary File With Insecure Permissions vulnerability in hawk2 of SUSE Linux Enterprise High Availability 12-SP3, SUSE Linux CVE-2021-253157.8CWE - CWE-287: Improper Authentication vulnerability in SUSE Linux Enterprise Server 15 SP 3; openSUSE Tumbleweed allows local attackers to CVE-2021-253163.3A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-SP2 allows loc CVE-2021-253173.3A Incorrect Default Permissions vulnerability in the packaging of cups of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0,CVE-2021-253188.8A Incorrect Permission Assignment for Critical Resource vulnerability in Rancher allows users in the cluster to modify resources they should CVE-2021-253197.8A Incorrect Default Permissions vulnerability in the packaging of virtualbox of openSUSE Factory allows local attackers in the vboxusers gro CVE-2021-253209.9A Improper Access Control vulnerability in Rancher, allows users in the cluster to make request to cloud providers by creating requests with CVE-2021-253217.8A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUS