MEDIUM
CVE-2025-35435
CWE-369Published: September 17, 2025· Updated: Jun 17, 2026
4.3
CVSS v3.1
Official Description
CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could cause the service to crash. Fixed in commit 89101a6.
Technical Analysis
CVE-2025-35435 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected Vendors & Products
cisa1 product(s)
thorium
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (3)
Quick Facts
CVE IDCVE-2025-35435
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-369
CISA KEVNo
Affected1 vendor(s)
PublishedSep 17, 2025
Related CVEs (CWE-369)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-35435 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.