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hardcoded credentials

Pierluigi Paganini December 24, 2022
Expert found Backdoor credentials in ZyXEL LTE3301 M209

The cybersecurity researcher RE-Solver discovered Backdoor credentials in ZyXEL LTE3301-M209 LTE indoor routers. Security researcher ReSolver announced the discovery of hardcoded credentials (CVE-2022-40602) in ZyXEL LTE3301-M209 LTE indoor routers. In previous research, the expert discovered a Telnet backdoor in D-Link DWR-921 which is also present in the ZyXEL LTE3301-M209 as well.  The researcher analyzed the […]

Pierluigi Paganini November 04, 2021
Cisco warns of hard-coded credentials and default SSH key issues in some products

Cisco fixed critical flaws that could have allowed unauthenticated attackers to access its devices with hard-coded credentials or default SSH keys. Cisco has released security updates to address two critical vulnerabilities that could have allowed unauthenticated attackers to log in to affected devices using hard-coded credentials or default SSH keys. The first flaw fixed by […]

Pierluigi Paganini September 04, 2019
Some Zyxel devices can be hacked via DNS requests

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. Security researchers at SEC Consult discovered multiple vulnerabilities in various Zyxel devices, including hardcoded credentials and issues that could allow to hack them via unauthenticated DNS requests. The first issue is an information disclosure […]

Pierluigi Paganini June 09, 2018
Cisco removed hardcoded credentials in WAAS software. Undocumented accounts are a frequent issue

Cisco has removed hardcoded credentials that were in Cisco Wide Area Application Services (WAAS), which is a software designed to optimize WAN traffic management. The hardcoded credentials (CVE-2018-0329) resides in the read-only SNMP community string in the configuration file of the SNMP daemon, they could be exploited by attackers to read any data that is accessible via […]

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    recent articles

    Auchan discloses data breach: data of hundreds of thousands of customers exposed

    Data Breach / August 26, 2025

    U.S. CISA adds Citrix Session Recording, and Git flaws to its Known Exploited Vulnerabilities catalog

    Uncategorized / August 26, 2025

    Docker fixes critical Desktop flaw allowing container escapes

    Security / August 25, 2025

    Malicious apps with +19M installs removed from Google Play because spreading Anatsa banking trojan and other malware

    Malware / August 25, 2025

    Pakistan-linked APT36 abuses Linux .desktop files to drop custom malware in new campaign

    APT / August 25, 2025

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