Which products and versions are affected by CVE-2005-0277?

Affected: 3cdaemon (3com) versions 2.0-revision_10. The full list is in the CVE brief.

Is CVE-2005-0277 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2005-0277 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2005-0277?

Public exploit code is available.

Is there a fix for CVE-2005-0277?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2005-0277 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2005-0277

MediumPublic exploit

Buffer overflow in the FTP service in 3Com 3CDaemon 2.0 revision 10 allows remote attackers to cause a denial of service (application crash) and execute arbitrary code via (1) a long username in the USER command or (2) an FTP command that contains a long argument, such as cd,…

Published May 2, 2005 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2005-0277 is a medium-severity vulnerability (CVSS 5.0 v2) affecting 3cdaemon (3com).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 62% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

5.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS (30-day exploit likelihood)

62%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2005-0277 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
3cdaemon3com	2.0-revision_10	n/a

Timeline

Publicly disclosed
May 2, 2005
Last updated
Apr 15, 2026

References

3 more references in the full CVE brief

FAQ

Common Questions.

Buffer overflow in the FTP service in 3Com 3CDaemon 2.0 revision 10 allows remote attackers to cause a denial of service (application crash) and execute arbitrary code via (1) a long username in the USER command or (2) an FTP command that contains a long argument, such as cd, send, or ls.
Affected: 3cdaemon (3com) versions 2.0-revision_10. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2005-0277 Running On Your Attack Surface?

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