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.

CVSS 4.0

8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-78

Published

2026-10-28

Modified

2026-10-28

Record from

the NVD, synced 2026-10-28

References

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

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