CVE-1999-1228 - CVE House
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Status published High CVE-1999-1228

Various modems that do not implement a guard time, or...

Vulnerability Description

Various modems that do not implement a guard time, or are configured with a guard time of 0, can allow remote attackers to execute arbitrary modem commands such as ATH, ATH0, etc., via a "+++" sequence that appears in ICMP packets, the subject of an e-mail message, IRC commands, and others.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

Affected Vendor

Affected Software

quicktel, supra, us robotics
Vulnerable Versions:
28.8, 33.6, v.90

Timeline

Official Publish: September 12th, 2001
Last Modified: August 1st, 2024
Added to House: July 17th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.