SonicWall

Pierluigi Paganini October 11, 2025
Attackers exploit valid logins in SonicWall SSL VPN compromise

Huntress warns of widespread SonicWall SSL VPN breaches, with attackers using valid credentials to access multiple accounts rapidly. Cybersecurity firm Huntress warned of a widespread compromise of SonicWall SSL VPNs, with threat actors using valid credentials to access multiple customer accounts rapidly. “As of October 10, Huntress has observed widespread compromise of SonicWall SSLVPN devices […]

Pierluigi Paganini October 09, 2025
Threat actors steal firewall configs, impacting all SonicWall Cloud Backup users

All SonicWall Cloud Backup users were impacted after hackers stole firewall configuration files from the MySonicWall service in early September. Threat actors stole firewall configuration backups from SonicWall’s cloud service, impacting all users of its MySonicWall cloud backup platform. In September, SonicWall urged customers to reset credentials after firewall backup files tied to MySonicWall accounts […]

Pierluigi Paganini September 29, 2025
Akira Ransomware bypasses MFA on SonicWall VPNs

Akira ransomware is targeting SonicWall SSL VPNs, bypassing OTP MFA on accounts, likely using stolen OTP seeds. Since July 2025, Akira ransomware has exploited SonicWall SSL VPNs, likely using credentials obtained from the exploitation of the CVE-2024-40766 vulnerability, bypassing OTP MFA. Attacks spread quickly across sectors, with rapid post-login activity and short dwell times, making […]

Pierluigi Paganini September 18, 2025
SonicWall warns customers to reset credentials after MySonicWall backups were exposed

SonicWall urges users to reset credentials after MySonicWall backups were exposed; the company locked out the threat actors and notified authorities. SonicWall urged customers to reset credentials after firewall backup files tied to MySonicWall accounts were exposed. The company announced it had blocked attackers’ access and is working with cybersecurity experts and law enforcement agencies […]

Pierluigi Paganini September 11, 2025
Akira Ransomware exploits year-old SonicWall flaw with multiple vectors

Researchers warn that Akira ransomware group is exploiting a year-old SonicWall firewall flaw, likely using three attack vectors for initial access. The Akira ransomware group is exploiting a year-old SonicWall firewall vulnerability, tracked as CVE-2024-40766 (CVSS score of 9.3), likely using three attack vectors for initial access, according to Rapid7. “Evidence collected during Rapid7’s investigations […]

Pierluigi Paganini August 08, 2025
SonicWall dismisses zero-day fears after Ransomware probe

SonicWall found no evidence of a new vulnerability after probing reports of a zero-day used in ransomware attacks. SonicWall investigated claims of a zero-day being used in ransomware attacks but found no evidence of any new vulnerability in its products. SonicWall launched the investigation after a surge in Akira ransomware attacks targeting Gen 7 firewalls with SSLVPN […]

Pierluigi Paganini August 05, 2025
SonicWall investigates possible zero-day amid Akira ransomware surge

SonicWall probes possible new zero-day after spike in Akira ransomware attacks on Gen 7 firewalls with SSLVPN enabled. SonicWall is investigating a potential new zero-day after a surge in Akira ransomware attacks targeting Gen 7 firewalls with SSLVPN enabled. The company is working to determine if the incidents stem from an existing flaw or a […]

Pierluigi Paganini August 03, 2025
Akira Ransomware targets SonicWall VPNs in likely zero-day attacks

Akira ransomware targets fully patched SonicWall VPNs in suspected zero-day attacks, with multiple intrusions seen in late July 2025. Arctic Wolf Labs researchers reported that Akira ransomware is exploiting SonicWall SSL VPNs in a likely zero-day attack, targeting even fully patched devices. Arctic Wolf Labs observed multiple intrusions via VPN access in late July 2025. […]

Pierluigi Paganini July 24, 2025
SonicWall fixed critical flaw in SMA 100 devices exploited in Overstep malware attacks

SonicWall addressed a critical vulnerability, tracked as CVE-2025-40599 (CVSS score of 9.1), in SMA 100 appliances SonicWall addressed a critical vulnerability, tracked as CVE-2025-40599 (CVSS score of 9.1), in SMA 100 appliances. Experts warn customers to check their installs for Indicators of Compromise (IoCs) associated with Overstep malware attacks. The issue is an authenticated arbitrary […]

Pierluigi Paganini July 17, 2025
UNC6148 deploys Overstep malware on SonicWall devices, possibly for ransomware operations

UNC6148 targets SonicWall devices with Overstep malware, using a backdoor and rootkit for data theft, extortion, or ransomware. Google’s Threat Intelligence Group warns that a threat actor tracked as UNC6148 has been targeting SonicWall SMA appliances with new malware dubbed Overstep. Active since at least October 2024, the group uses a backdoor and user-mode rootkit […]