CVE-2026-66153
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths
CVE-2026-66153: The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to…
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
CVE-2026-66153 at a glance
- CISA KEV
- Not listed (catalog checked )
- Highest advisory severity
- High
- Vendor advisories
- 2 from SonicWall
- VulniPulse record
- Published · Updated
Is CVE-2026-66153 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-66153 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-66153?
The tracked advisories that cover only this CVE do not list a fixed release yet. That does not mean no fix exists; check each vendor source below.
Vendor advisory comparison
SonicWall
2 advisories- Advisory severityHigh8.8
High [CVE-2026-66152 +1] NetExtender: Path traversal vulnerability in the SonicWall NetExtender Linux client file extractor component allows an attacker to write a…
SNWLID-2026-0013Source published Source updated
This bulletin covers 2 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
A Path traversal vulnerability in the SonicWall NetExtender Linux client file extractor component allows an attacker to write arbitrary file as root.
- Related products — impact not confirmed
- NetExtender
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
- Advisory severityUnrated
Advisory [CVE-2026-66153] The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths
CVE-2026-66153Source published Source updated
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
- Affected products in this advisory
- NetExtender
- Source-reported affected versions
- NetExtender 10.3.5 and earlier versions
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
- Workarounds
- The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
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