CVE-2007-0641: Buffer overflow in the EnumPrintersA function in dapcnfsd.dll 0.6.4.0 in Shaffer Solutions (SSC) DiskAccess NF

This month

HIGH 7.5DOWNGRADE

CVE-2007-0641 is a high-severity flaw (CVSS 7.5) affecting dapcnfsd.dll. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the EnumPrintersA function in dapcnfsd.dll 0.6.4.0 in Shaffer Solutions (SSC) DiskAccess NFS Client allows remote attackers to execute arbitrary code via a long argument, an issue similar to CVE-2006-5854 and CVE-2007-0444.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	4.6% (top 8%)
CISA exploited list	No
Published	2007-01-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: shaffer solutions corp

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-01-31 21:28 UTCPublished CVE record published
2026-06-16 22:35 UTCUpdated Record last modified

shaffer solutions corp dapcnfsd.dll DOWNGRADE

Affected: 0.6.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6.4.0

1. Check installed version

apt-cache policy dapcnfsd.dll || rpm -q dapcnfsd.dll || dapcnfsd.dll --version

2. No fixed release: DOWNGRADE to a release before 0.6.4.0 (Debian / Ubuntu)

apt-cache madison dapcnfsd.dll sudo apt install dapcnfsd.dll=<VERSION_BEFORE_0.6.4.0> sudo apt-mark hold dapcnfsd.dll

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dapcnfsd.dll sudo dnf downgrade dapcnfsd.dll-<VERSION_BEFORE_0.6.4.0> sudo dnf versionlock add dapcnfsd.dll

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: SSC DiskAccess NFS Client - 'DAPCNFSD.dll' Remote Stack Buffer Overflow

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2007-0641?

dapcnfsd.dll: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-0641 being exploited?

CVE-2007-0641 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2007-0641 affect?

CVE-2007-0641 affects dapcnfsd.dll. Severity is high (CVSS 7.5). Buffer overflow in the EnumPrintersA function in dapcnfsd.dll 0.6.4.0 in Shaffer Solutions (SSC) DiskAccess NFS Client allows remote attackers to execute arbitrary code via a long argument, an issue similar to CVE-2006-5854 and CVE-2007-044

How urgent is CVE-2007-0641?

Priority 54/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

References

← Back to latest CVEs