CVE-2013-20007

Linksys WAG200G through 1.01.06 OS Command Injection via timer_interval in setup.cgi

Published Oct 28, 2026 CVSS 4.0 · 8.6 High EPSS 2.0% KEV · Not listed
Description
Linksys WAG200G through 1.01.06 contains an OS command injection vulnerability that allows authenticated attackers to execute commands by injecting backtick-delimited input into the timer_interval parameter. Attackers can send a crafted POST request to setup.cgi to start telnetd or download and run a backdoor, gaining full device control.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Linksys WAG200G through 1.01.06 contains an OS command injection vulnerability that allows authenticated attackers to execute commands by injecting backtick-delimited input into the timer_interval parameter. Attackers can send a crafted POST request to setup.cgi to start telnetd or download and run a backdoor, gaining full device control.
Title Linksys WAG200G through 1.01.06 OS Command Injection via timer_interval in setup.cgi
First Time appeared Linksys
Linksys wag200g
Weaknesses CWE-78
CPEs cpe:2.3:h:linksys:wag200g:*:*:*:*:*:*:*:*
Vendors & Products Linksys
Linksys wag200g
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 5, 2026, 3:30 PM
Reserved
Oct 27, 2026, 9:50 PM
Status
Awaiting Analysis
Published
Oct 28, 2026, 3:17 AM
Modified
Nov 5, 2026, 4:16 PM