CRITICAL
CVE-2008-3910
CWE-189Published: September 4, 2008· Updated: Jun 16, 2026
10.0
CVSS v3.1
Official Description
dns2tcp before 0.4.1 does not properly handle negative values in a certain length field in the input argument to the (1) dns_simple_decode or (2) dns_decode function, which allows remote attackers to overwrite a buffer and have unspecified other impact.
Technical Analysis
CVE-2008-3910 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some 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.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C
Affected Vendors & Products
hsc1 product(s)
dns2tcp
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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Rapid7 / Metasploit
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PacketStorm
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (8)
Quick Facts
CVE IDCVE-2008-3910
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-189
CISA KEVNo
Affected1 vendor(s)
PublishedSep 4, 2008
Related CVEs (CWE-189)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2008-3910 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.