CVE-2004-1792: swnet.dll in YaSoft Switch Off 2.3 and earlier allows remote attackers to cause a denial of service (infinite

This month

MEDIUM 5.0DOWNGRADE

CVE-2004-1792 is a medium-severity flaw (CVSS 5.0) affecting switch off. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

swnet.dll in YaSoft Switch Off 2.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a long packet with two CRLF sequences to the service management port (TCP 8000).

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	3.5% (top 11%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: yatsoft

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

yatsoft switch off DOWNGRADE

Affected: 0.7 · 1.0 · 1.1 · 1.2 · 1.3 · 1.4 · 1.5 · 1.5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.7

1. Check installed version

apt-cache policy switch-off || rpm -q switch-off || switch-off --version

2. No fixed release: DOWNGRADE to a release before 0.7 (Debian / Ubuntu)

apt-cache madison switch-off sudo apt install switch-off=<VERSION_BEFORE_0.7> sudo apt-mark hold switch-off

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

dnf --showduplicates list switch-off sudo dnf downgrade switch-off-<VERSION_BEFORE_0.7> sudo dnf versionlock add switch-off

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: YaSoft Switch Off 2.3 - Large Packet Remote Denial of Service

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-2004-1792?

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

Is CVE-2004-1792 being exploited?

CVE-2004-1792 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-2004-1792 affect?

CVE-2004-1792 affects switch off. Severity is medium (CVSS 5.0). swnet.dll in YaSoft Switch Off 2.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a long packet with two CRLF sequences to the service management port (TCP 8000).

How urgent is CVE-2004-1792?

Priority 45/100. Public exploit reference

Related CVEs

CVE-2004-1793 HIGH 7.5 DOWNGRADE Stack-based buffer overflow in swnet.dll in YaSoft Switch Off 2.3 and earlier allows remote authenticated user

References

← Back to latest CVEs