CVE-2007-1547

The ReadRequestFromClient function in server/os/io.c in Network Audio System (NAS) before 1.8a SVN 237 allows remote attackers to cause a denial of service (crash) via multiple simultaneous connections, which triggers a NULL pointer dereference.

Published: 2007-03-20 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-1547 is rated Moderate Risk (63.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 5.20%). EPSS rose +1.15% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2007-1547

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 2026-04-13 4.05% 5.20% +1.15%
2 2025-11-06 3.90% 4.05% +0.15%
3 2025-04-14 — 3.90% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-1547

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2007-1547

OS Trackers for CVE-2007-1547

vendor priority summary link
debian low CVE-2007-1547 low priority: Debian including 1 source packages (nas), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-1547
gentoo high CVE-2007-1547: 1 GLSA(s) (200704-20), 1 atom(s) (media-libs/nas); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-1547
ubuntu medium CVE-2007-1547 medium priority: Ubuntu including 1 source packages (nas), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-1547

Affected software / configurations for CVE-2007-1547

Vendor Product Version Raw CPE
radscan network_audio_system 1.8a cpe:2.3:a:radscan:network_audio_system:1.8a:*:*:*:*:*:*:*

References for CVE-2007-1547

cvelogic Threat Intelligence