CVE-2013-20007

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.

Score

CVSS 4.0 8.6 High

Status

Awaiting Analysis - disclosure@vulncheck.com

Published

2026-10-28

Last modified

2026-10-28

Weaknesses

CWE-78

Affected products

• Wag200g (Linksys)

References

• https://www.s3cur1ty.de/m1adv2013-016
• https://www.exploit-db.com/exploits/24476
• https://www.vulncheck.com/advisories/linksys-wag200g-through-1.01.06-os-command-injection-via-timer-interval-in-setup-c…