High severity · published Oct 28, 2026
CVE-2013-20007
Linksys WAG200G through 1.01.06 OS Command Injection via timer_interval in setup.cgi
New
7.2
CVSS
2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WAG200G · Linksys
through 1.01.06 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-20007
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-20007
third-party-advisory
https://www.s3cur1ty.de/m1adv2013-016
exploit
https://www.exploit-db.com/exploits/24476
third-party-advisory
https://www.vulncheck.com/advisories/linksys-wag200g-through-1.01.06-os-command-injection-via-timer-interval-in-setup-cgi
More from WAG200G
6.8
CVE-2013-20008
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4.8
CVE-2013-20009
Linksys WAG200G through 1.01.06 Stored XSS via policy_name Parameter
–
CVE-2007-1585
The Linksys WAG200G with firmware 1.01.01, WRT54GC 2 with firmware 1.00.7, and WRT54GC 1 with firmware 1.03.0 and earlier allow remote attackers to obtain sensitive information…