What is CVE-2013-20007?

CVE-2013-20007 is a high-severity vulnerability in Linksys Wag200g, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-10-28.

How severe is CVE-2013-20007?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Linksys Wag200g

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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-10-28 · last modified 2026-10-28.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.7th percentile), scored 2026-10-29.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Linksys Wag200g

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.s3cur1ty.de/m1adv2013-016 (third-party-advisory)
www.exploit-db.com/exploits/24476 (exploit)
www.vulncheck.com/advisories/linksys-wag200g-through-1.01.06-os-command-injecti… (third-party-advisory)

Frequently asked questions

What is CVE-2013-20007?: CVE-2013-20007 is a high-severity vulnerability in Linksys Wag200g, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-10-28.
How severe is CVE-2013-20007?: High severity. CVSS v3 base score is 7.2 out of 10.