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Fencer Intel
critical 9.0

CVE-2013-4981 json

Buffer overflow in cgi-bin/user/Config.cgi in AVTECH AVN801 DVR with firmware 1017-1003-1009-1003 and earlier, and possibly other devices,…

published 12y ago modified 4mo ago also EUVD-2013-4825

cvss
9.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.8%
EPSS 5.8% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

Buffer overflow in cgi-bin/user/Config.cgi in AVTECH AVN801 DVR with firmware 1017-1003-1009-1003 and earlier, and possibly other devices, allows remote attackers to cause a denial of service (device crash) and possibly execute arbitrary code via a long string in the Network.SMTP.Receivers parameter.

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Timeline

  1. First public exploit (EDB-27942)
  2. Published

Exploit prediction

5.82% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-27942 AVTECH DVR Firmware 1017-1003-1009-1003 - Multiple Vulnerabilities dos, 2013-08-29
  • seclists.org http://seclists.org/fulldisclosure/2013/Aug/284 referenced PoC, tagged "exploit" by a source, unverified
  • coresecurity.com http://www.coresecurity.com/advisories/avtech-dvr-multiple-vulnerabilities referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.0 AV:N/AC:L/Au:N/C:P/I:P/A:C

Classification

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

References

Sources

Fencer Intel 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.