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Fencer Vulns
high 7.5

CVE-2009-0849 in the critical feed json

Stack-based buffer overflow in the DtbClsLogin function in NovaStor NovaNET 12 allows remote attackers to (1) execute arbitrary code on Lin…

published 2009-03-09 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0846

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.5%
EPSS 16.5% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

Stack-based buffer overflow in the DtbClsLogin function in NovaStor NovaNET 12 allows remote attackers to (1) execute arbitrary code on Linux platforms via a long username field during backup domain authentication, related to libnnlindtb.so; or (2) cause a denial of service (daemon crash) on Windows platforms via a long username field during backup domain authentication, related to nnwindtb.dll. NOTE: some of these details are obtained from third party information.

Timeline

  1. First public exploit (EDB-32832)
  2. Published

Exploit prediction

16.55% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-32832 NovaStor NovaNET 12 - 'DtbClsLogin()' Remote Stack Buffer Overflow remote, 2009-03-02
  • securityfocus.com http://www.securityfocus.com/bid/33954 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.