Actively Exploited
Cisco finally fixes AsyncOS zero-day exploited since November
Cisco has finally patched a maximum-severity Cisco AsyncOS zero-day exploited in attacks against Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances since November 2025. As Cisco explained in December, when it disclosed the vulnerability (CVE-2025-20393), it affects only Cisco SEG and Cisco SEWM appliances with non-standard configurations when the Spam Quarantine […]
Hackers exploit Modular DS WordPress plugin flaw for admin access
Hackers are actively exploiting a maximum severity flaw in the Modular DS WordPress plugin that allows them to bypass authentication remotely and access the vulnerable sites with admin-level privileges. The flaw, tracked as CVE-2026-23550, affects versions 2.5.1 and older of Modular DS, a management plugin that allows managing multiple WordPress sites from a single interface. The plugin lets […]
CISA orders feds to patch Gogs RCE flaw exploited in zero-day attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered government agencies to secure their systems against a high-severity Gogs vulnerability that was exploited in zero-day attacks. Designed as an alternative to GitLab or GitHub Enterprise and written in Go, Gogs is often exposed online for remote collaboration. Tracked as CVE-2025-8110, this remote code execution (RCE) […]
CISA tags max severity HPE OneView flaw as actively exploited
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has flagged a maximum-severity HPE OneView vulnerability as actively exploited in attacks. HPE’s OneView infrastructure management software helps IT admins automate the management of storage, servers, and networking devices from a centralized interface. Tracked as CVE-2025-37164, this critical security flaw was reported by Vietnamese security researcher Nguyen Quoc […]
New D-Link flaw in legacy DSL routers actively exploited in attacks
Threat actors are exploiting a recently discovered command injection vulnerability that affects multiple D-Link DSL gateway routers that went out of support years ago. The vulnerability is now tracked as CVE-2026-0625 and affects the dnscfg.cgi endpoint due to improper input sanitization in a CGI library. An unauthenticated attacker could leverage this to execute remote commands via DNS configuration parameters. Vulnerability intelligence company […]
Over 10K Fortinet firewalls exposed to actively exploited 2FA bypass
Over 10,000 Fortinet firewalls are still exposed online and vulnerable to ongoing attacks exploiting a five-year-old critical two-factor authentication (2FA) bypass vulnerability. Fortinet released FortiOS versions 6.4.1, 6.2.4, and 6.0.10 in July 2020 to address this flaw (tracked as CVE-2020-12812) and advised admins who couldn’t immediately patch to turn off username-case-sensitivity to block 2FA bypass attempts […]
RondoDox botnet exploits React2Shell flaw to breach Next.js servers
The RondoDox botnet has been observed exploiting the critical React2Shell flaw (CVE-2025-55182) to infect vulnerable Next.js servers with malware and cryptominers. First documented by Fortinet in July 2025, RondoDox is a large-scale botnet that targets multiple n-day flaws in global attacks. In November, VulnCheck spotted new RondoDox variants that featured exploits for CVE-2025-24893, a critical remote code execution (RCE) vulnerability in […]
CISA orders feds to patch MongoBleed flaw exploited in attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered government agencies to secure their systems against a high-severity MongoDB flaw that is actively being exploited in attacks. Dubbed MongoBleed and tracked as CVE-2025-14847, this vulnerability was patched on December 19, 2025, and it stems from how MongoDB Server processes network packets using the zlib library for data compression. Successful […]
Fortinet warns of 5-year-old FortiOS 2FA bypass still exploited in attacks
Fortinet has warned customers that threat actors are still actively exploiting a critical FortiOS vulnerability that allows them to bypass two-factor authentication (2FA) when targeting vulnerable FortiGate firewalls. Tracked as CVE-2020-12812, this improper authentication security flaw was found in FortiGate SSL VPN and enables attackers to log in to unpatched firewalls without being prompted for the […]
Critical RCE flaw impacts over 115,000 WatchGuard firewalls
Over 115,000 WatchGuard Firebox devices exposed online remain unpatched against a critical remote code execution (RCE) vulnerability actively exploited in attacks. The security flaw, tracked as CVE-2025-14733, affects Firebox firewalls running Fireware OS 11.x and later (including 11.12.4_Update1), 12.x or later (including 12.11.5), and 2025.1 up to and including 2025.1.3. Successful exploitation enables unauthenticated attackers to […]