Malwarecritical
SonicWall SMA devices persistently infected with stealthy OVERSTEP backdoor and rootkit
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-2021-20039 | 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
5 min read at helpnetsecurity.com
Unknown intruders are targeting fully patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances and deploying a novel, persistent backdoor / rootkit, analysts with Google’s Threat Intelligence Group (GTIG) have warned. The analysts say UNC6148 – as they dubbed the threat group – is likely financially motivated.
By @zeljkazorz · helpnetsecurity.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.