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Vulnerability record · CVE-2010-4965 · published 16 October 2011

CVE-2010-4965: Dlink dcs-2121 firmware vulnerability

Dlink · Dcs 2121 Firmware

/etc/rc.d/rc.local on the D-Link DCS-2121 camera with firmware 1.04 configures a hardcoded password of admin for the root account, which makes it easier for remote attackers to obtain shell access by leveraging a running telnetd server.

9.0 CVSS 2.0 High EPSS 2.8% · top 14.0% CWE-255 · CWE-255
9.0CVSS 2.0 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

/etc/rc.d/rc.local on the D-Link DCS-2121 camera with firmware 1.04 configures a hardcoded password of admin for the root account, which makes it easier for remote attackers to obtain shell access by leveraging a running telnetd server.

AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://newsoft-tech.blogspot.com/2010/09/d-link-dcs-2121-and-state-of-embedded.html Exploit
http://newsoft-tech.blogspot.com/2010/09/d-link-dcs-2121-and-state-of-embedded.html Exploit

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2013-1599Dlink dcs-3411 firmware os command injection vulnerabilityA Command Injection vulnerability exists in the /var/www/cgi-bin/rtpd.cgi script in D-Link IP Cameras DCS-3411/3430 firmware 1.02, DCS-5605/5635 1.01…EPSS 40%9.0CVE-2010-4964Dlink dcs-2121 firmware code injection vulnerabilityrecorder_test.cgi on the D-Link DCS-2121 camera with firmware 1.04 allows remote attackers to execute arbitrary commands via shell metacharacters in …EPSS 3.8%7.5CVE-2013-1602Dlink dcs-3411 firmware information exposure vulnerabilityAn Information Disclosure vulnerability exists due to insufficient validation of authentication cookies for the RTSP session in D-Link DCS-5635 1.01,…EPSS 15%5.3CVE-2013-1603Dlink dcs-3411 firmware hard-coded credentials vulnerabilityAn Authentication vulnerability exists in D-LINK WCS-1100 1.02, TESCO DCS-2121 1.05_TESCO, TESCO DCS-2102 1.05_TESCO, DCS-7510 1.00, DCS-7410 1.00, D…EPSS 16%5.3CVE-2013-1600Dlink dcs-2102 firmware improper authentication vulnerabilityAn Authentication Bypass vulnerability exists in upnp/asf-mp4.asf when streaming live video in D-Link TESCO DCS-2121 1.05_TESCO, TESCO DCS-2102 1.05_…EPSS 19%5.3CVE-2013-1601Dlink dcs-3411 firmware information exposure vulnerabilityAn Information Disclosure vulnerability exists due to a failure to restrict access on the lums.cgi script when processing a live video stream in D-LI…EPSS 13%8.8CVE-2014-1812Microsoft Windows Group Policy Preferences credential exposure and privilege escalationGroup Policy Preferences in multiple Windows versions stored and distributed passwords in a way that did not properly protect them, allowing any auth…KEVEPSS 65%analysed

Source: NIST National Vulnerability Database (record CVE-2010-4965), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.