What’s Vulnerable › Vulnerabilities

CVE-2013-20007: Linksys WAG200G through 1.01.06 OS Command Injection via timer_interval in setup.cgi

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-28 · updated 2026-10-28
• Weakness: CWE-78

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.

Affected products

• Linksys Wag200G: through 1.01.06

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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