CVE-2013-20007

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

State: Published
Severity: 8.6 High
Published: Oct 28, 2026
Updated: Oct 28, 2026
Reserved: Oct 27, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	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	VulnCheck
3.1	7.2 High	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
WAG200GLinksys	1.01.06 and earlierAffected

References

s3cur1ty Advisory m1adv2013-016: Linksys WAG200G Multiple Vulnerabilitiesthird-party-advisory
ExploitDB-24476: Linksys WAG200G Multiple Vulnerabilitiesexploit
VulnCheck Advisory: Linksys WAG200G through 1.01.06 OS Command Injection via timer_interval in setup.cgithird-party-advisory

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