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VulnerabilitycriticalExploited in the wild

SolarWinds Web Help Desk Exploited for RCE in Multi

The Hacker Newsby @TheHackersNews ()6 min read1 · 1 read
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-26399
Unauthenticated Deserialization RCE in SolarWinds Web Help Desk
9.890%KEVRansomware
KEV
CVE-2025-40551
+1 related CVE
Unauthenticated Deserialization RCE in SolarWinds Web Help Desk
9.884%KEV
KEV
CVE-2025-6264
Velociraptor allows collection of VQL queries packaged into Artifacts from endpoints
5.51%PoC ×2

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domainfirstmail.ltdcount with a throwaway email address likely generated using firstmail[.]ltd, a Russia-based disposable mail service. In all, the thre
domainmooo.comciraptor agent to connect it to a different server ("v2-api.mooo[.]com") if the original Cloudflare workers[.]dev domain has bee
ipv4154.26.156.181d instance originated from the following two IP addresses - 154.26.156[.]181 51.161.152[.]26 It's worth noting that the IP address 51.
ipv451.161.152.26ated from the following two IP addresses - 154.26.156[.]181 51.161.152[.]26 It's worth noting that the IP address 51.161.152[.]26, an

From the original article

6 min read at thehackernews.com

Microsoft has revealed that it observed a multi‑stage intrusion that involved the threat actors exploiting internet‑exposed SolarWinds Web Help Desk (WHD) instances to obtain initial access and move laterally across the organization's network to other high-value assets.

The Hacker News

By @TheHackersNews · thehackernews.com

Read the full article at The Hacker News

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.