SonicWall warns of a high-severity buffer overflow flaw in SonicOS SSLVPN (CVE-2025-40601) that lets attackers crash Gen7 and Gen8 firewalls. A new high-severity SonicOS SSLVPN flaw, tracked as CVE-2025-40601 (CVSS score of 7.5), allows attackers to crash SonicWall Gen7 and Gen8 firewalls. SonicWall is urging all customers to apply patches immediately, as the issue stems […]
Cybersecurity firm SonicWall attributed the September security breach exposing firewall configuration files to state-sponsored hackers. In September, 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 was working with cybersecurity experts and law enforcement agencies to determine the scope […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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. […]