8.6
HIGH CVSS 4.0
CVE-2013-20007
Linksys WAG200G through 1.01.06 OS Command Injection via timer_interval in setup.cgi
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.

INFO

Published Date :

Oct. 28, 2026, 3:17 a.m.

Last Modified :

Oct. 28, 2026, 3:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2013-20007 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linksys wag200g
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH MITRE-CVE
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Update the device firmware to patch the OS command injection vulnerability.
  • Update Linksys WAG200G firmware to the latest available version.
  • Avoid using untrusted or unknown firmware updates.
  • Restrict access to the setup interface.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2013-20007.

URL Resource
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
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2013-20007 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2013-20007 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2013-20007 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 28, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2013/20xxx/CVE-2013-20007.json">CVE-2013-20007</a>
    Added Reference https://www.exploit-db.com/exploits/24476
    Added Reference https://www.s3cur1ty.de/m1adv2013-016
    Added Reference https://www.vulncheck.com/advisories/linksys-wag200g-through-1.01.06-os-command-injection-via-timer-interval-in-setup-cgi
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.