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Threat Spotlight: Credential Theft vs. Admin Control—Two Devastating Paths to VPN Exploitation

Digital Shadows

Key Findings Even years after their disclosure, VPN-related vulnerabilities like CVE-2018-13379 and CVE-2022-40684 remain essential tools for attackers, driving large-scale campaigns of credential theft and administrative control. How AI and automation are amplifying the scale and sophistication of VPN attacks.

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Zyxel Firewalls and VPN Servers: Victims of a New Cyberattack

Heimadal Security

Zyxel, a network devices manufacturer from Taiwan, alerted its clients by e-mail of the fact that its products were targeted by threat actors. Cybercriminals’ focus stays on the Zyxel firewalls and VPN products. Have Only Zyxel Firewalls and VPN Been Compromised? In a Twitter shared post containing […].

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China’s Volt Typhoon botnet has re-emerged

Security Affairs

In the most recent campaign, the group targeted organizations in the communications, manufacturing, utility, transportation, construction, maritime, government, information technology, and education sectors. The Volt Typhoon group has been active since at least mid-2021 it carried out cyber operations against critical infrastructure.

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335,923 out of 489,337 Fortinet firewalls vulnerable to CVE-2023-27997

Security Affairs

Researchers reported that there are 490,000 Fortinet firewalls exposing SSL VPN interfaces on the internet, and roughly 69% of them are still vulnerable to CVE-2023-27997. For this reason, if the customer has SSL-VPN enabled, Fortinet is advising customers to take immediate action to upgrade to the most recent firmware release.

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Fortinet urges to patch the critical RCE flaw CVE-2023-27997 in Fortigate firewalls

Security Affairs

. “A heap-based buffer overflow vulnerability [CWE-122] in FortiOS and FortiProxy SSL-VPN may allow a remote attacker to execute arbitrary code or commands via specifically crafted requests.” If the customer is not operating SSL-VPN the risk of this issue is mitigated – however, Fortinet still recommends upgrading.”

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SonicWall warns customers about zero-day vulnerabilities

CSO Magazine

Firewall and network security appliance manufacturer SonicWall is urging customers to take preventive actions after its own systems were attacked through previously unknown vulnerabilities in some of its products. Sign up for CSO newsletters. ]. . Sign up for CSO newsletters. ]. To read this article in full, please click here

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Usage of TLS in DDNS Services leads to Information Disclosure in Multiple Vendors

Security Affairs

For instance, suppose firewall manufacturer ACME Inc. For instance, suppose firewall manufacturer ACME Inc. Fortinet Fortinet has introduced the “FortiGuard DDNS” service in its FortiGate firewall products. When combined with an ACME client that automatically generates an X.509

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