CVE-2009-0640: Directory traversal vulnerability in the administrative web server in Swann DVR4-SecuraNet allows remote attac

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MEDIUM 5.0MITIGATE

CVE-2009-0640 is a medium-severity flaw (CVSS 5.0) affecting dvr4-securanet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in the administrative web server in Swann DVR4-SecuraNet allows remote attackers to read arbitrary files via a .. (dot dot) in the URI, as demonstrated by reading the vy_netman.cfg file that contains passwords.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.8% (top 14%)
CISA exploited list	No
Weakness	CWE-22
Published	2009-02-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: swannsecurity

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

Am I affected?

Timeline

2009-02-20 06:47 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

swannsecurity dvr4-securanet MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

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: Swann DVR4 SecuraNet - Directory Traversal

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-2009-0640?

dvr4-securanet: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-0640 being exploited?

CVE-2009-0640 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-2009-0640 affect?

CVE-2009-0640 affects dvr4-securanet. Severity is medium (CVSS 5.0). Directory traversal vulnerability in the administrative web server in Swann DVR4-SecuraNet allows remote attackers to read arbitrary files via a .. (dot dot) in the URI, as demonstrated by reading the vy_netman.cfg file that contains passwo

How urgent is CVE-2009-0640?

Priority 44/100. Public exploit reference

Related CVEs

CVE-2009-0644 MEDIUM 5.0 MITIGATE The HTTP interface in Swann DVR4-SecuraNet has a certain default administrative username and password, which m

References

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