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Fencer Vulns
critical 10.0

CVE-1999-0791 json

Hybrid Network cable modems do not include an authentication mechanism for administration, allowing remote attackers to compromise the syst…

published 1999-10-06 27 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0772

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 89%
public exploits
1
Exploit-DB

Summary

Hybrid Network cable modems do not include an authentication mechanism for administration, allowing remote attackers to compromise the system through the HSMP protocol.

Timeline

  1. First public exploit (EDB-19538)
  2. Published

Exploit prediction

3.77% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19538 Hybrid Networks Cable Broadband Access System 1.0 - Remote Configuration remote, 1999-10-05

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.