Google finds custom backdoor being installed on SonicWall network devices
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2021-20035 | Authenticated OS Command Injection in SonicWall SMA100 Appliances | 6.5 | 4% | KEV | KEV |
| CVE-2021-20038 | Unauthenticated Stack Buffer Overflow in SonicWall SMA 100 Appliances | 9.8 | 100% | KEVRansomwarePoC ×2 | KEV |
| CVE-2021-20039 | Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to… | 8.8 | 79% | PoC | |
| CVE-2024-38475 | Improper Output Escaping in Apache HTTP Server mod_rewrite Enables File Disclosure/Code Execution | 9.1 | 100% | KEV | KEV |
| CVE-2025-32819 | A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges to bypass the path traversal checks and delete an arbitrary file… | 8.8 | 6% | PoC |
From the original article
2 min read at arstechnica.com
Researchers from the Google Threat Intelligence Group said that hackers are compromising SonicWall Secure Mobile Access (SMA) appliances, which sit at the edge of enterprise networks and manage and secure access by mobile devices. The targeted devices are end of life, meaning they no longer receive regular updates for stability and security. Despite the status, many organizations continue to rely on them.
arstechnica.com
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