CVE-2013-4981 — 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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HIGH

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

Published Mar 3, 2014

9.0

HIGH

CVSS 2.0

EPSS 5.99%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

5.99% 0.05986

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.05986

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (13 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	5.99% (0.05986)	93.09th	v5 (v2026.06.15)
Jun 15, 2026	6.81% (0.06808)	93.16th	v5 (v2026.06.15)
Oct 17, 2025	26.80% (0.26801)	96.09th	v4 (v2025.03.14)
Aug 24, 2025	28.18% (0.28179)	96.31th	v4 (v2025.03.14)
Mar 30, 2025	9.59% (0.09591)	92.12th	v4 (v2025.03.14)
Mar 29, 2025	12.01% (0.12008)	89.60th	v4 (v2025.03.14)
Mar 17, 2025	9.59% (0.09591)	92.29th	v4 (v2025.03.14)
Dec 17, 2024	4.58% (0.04575)	92.43th	v3 (v2023.03.01)
Mar 1, 2024	5.62% (0.05620)	93.09th	v3 (v2023.03.01)
Mar 7, 2023	5.83% (0.05828)	92.21th	v3 (v2023.03.01)
Mar 6, 2023	4.29% (0.04291)	87.64th	v2 (v2022.01.01)
Apr 1, 2022	4.29% (0.04291)	86.39th	v2 (v2022.01.01)
Feb 4, 2022	4.29% (0.04291)	70.14th	v2 (v2022.01.01)

Weaknesses (1)

CWE-119

Buffer Overflow

References (3)

http://osvdb.org/96693
vdb-entryx_refsource_OSVDB
http://seclists.org/fulldisclosure/2013/Aug/284
mailing-listx_refsource_FULLDISCExploit
http://www.coresecurity.com/advisories/avtech-dvr-multiple-vulnerabilities
x_refsource_MISCExploit

Link	Providers	Tags
http://osvdb.org/96693		vdb-entryx_refsource_OSVDB
http://seclists.org/fulldisclosure/2013/Aug/284		mailing-listx_refsource_FULLDISCExploit
http://www.coresecurity.com/advisories/avtech-dvr-multiple-vulnerabilities		x_refsource_MISCExploit

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Mar 3, 2014

Updated Aug 6, 2024

Reserved Jul 29, 2013

Link CVE-2013-4981

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2013-4981

Red Hat

Severity n/a

Public date n/a

Links CVE-2013-4981