CVE-2007-1866

Exp

Stack-based buffer overflow in the dns_decode_reverse_name function in dns_decode.c in dproxy-nexgen allows remote attackers to execute arbitrary code by sending a crafted packet to port 53/udp, a different issue than CVE-2007-1465.

Published: 2007-04-04 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-1866 is rated High Exploit Risk (91.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 25.36%, 96th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.03% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2007-1866

EDB-ID Source Kind Published Link
3615 exploit_db edb 2007-03-30 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-1866

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-27 22.33% 25.36% +3.03%
2 2025-11-21 21.67% 22.33% +0.65%
3 2025-06-19 21.67%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-1866

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2007-1866

Affected software / configurations for CVE-2007-1866

Vendor Product Version Raw CPE
dproxy dproxy nexgen cpe:2.3:a:dproxy:dproxy:nexgen:*:*:*:*:*:*:*

References for CVE-2007-1866

cvelogic Threat Intelligence