Threats / SonicWall / CVE-2025-23006
CVE-2025-23006
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-08-04
SonicWall SMA1000 Appliances vulnerability
SonicWall SMA1000 appliance management consoles contain a deserialization vulnerability allowing unauthenticated remote code execution. The flaw is actively exploited in ransomware campaigns.
Verdict
Today item, not a backlog item.
A critical remote code execution vulnerability in SonicWall SMA1000 management interfaces enables unauthenticated attackers to execute arbitrary OS commands through malicious serialized objects. Active exploitation in ransomware operations confirms real-world threat.
CISA KEV Yes · 2025-01-245Ransomware use Flagged5EPSS 0.23432 (verify live)6CVSS 9.8 (CISA)4CISA SSVC Exploitation: active · Automatable: yes · Impact: total4
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
14 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-01-24), flagged for known ransomware use.
Probability (EPSS)
EPSS 0.23432 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
CVSS 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) · Affected: SonicWall, SMA1000 Appliances. Confirm exact fixed builds in the vendor advisory.CVSS — CISA-assigned via the ADP container (CVE.org), version 3.1; the CNA left no metrics, so CISA's own score is used ahead of NVD.
Weakness (CWE)
Mapped to CWE-502 Deserialization of Untrusted Data — weakness family: Injection.CWE — CNA-assigned (CVE.org); the weakness class drives how the flaw is exploited.
CISA SSVC (triage disposition)
Exploitation: active · Automatable: yes · Technical Impact: totalCISA's own stakeholder-specific triage inputs, published in the CVE record (CISA Coordinator role). NOTE: this is CISA's three decision points; the final Act/Attend/Track decision also requires a Mission & Well-being input not published here, so no overall decision is asserted.
Currency of the record
CISA added this to its KEV catalog 1 day after the CVE record was published.KEV lag = CISA-KEV dateAdded − CVE.org datePublished; a floor on how long the known-exploited flaw sat in the public record before the federal catalog listed it. Severity/weakness here is CNA- or CISA-assigned (current at disclosure), independent of NVD's analysis backlog.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a malicious serialized object and send it to the unauthenticated management console endpoint.
Business
The appliance deserializes untrusted data without validation, allowing arbitrary code execution on critical infrastructure.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I gain OS-level command execution on the SMA1000 appliance with no authentication required.
Business
Attackers establish persistent access to the organization's remote access infrastructure and VPN gateway.
3
Lateral reach — past segmentation narrative 3
Attacker
I use the compromised appliance to pivot into the internal network and deploy ransomware across connected systems.
Business
The organization faces widespread encryption of critical data, operational shutdown, and extortion demands.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05