CVE-2013-3307
HighExploitedPublic exploitLinksys E1000 devices through 2.1.02, E1200 devices before 2.0.05, and E3200 devices through 1.0.04 allow OS command injection via shell metacharacters in the apply.cgi ping_ip parameter on TCP port 52000.
Published Jul 11, 2025 · Updated Apr 14, 2026
Key Facts
Patch immediately- CVE-2013-3307 is a high-severity vulnerability (CVSS 8.3 v3.1) affecting E1000, E1200, E3200.
- It is exploited in the wild, listed in Industry KEV feed since Nov 11, 2021. Public exploit code is available.
- EPSS estimates a 63% probability of exploitation in the next 30 days.
- Fixed versions are available, including E1200 2.0.05.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
EPSS (30-day exploit likelihood)
63%
Higher than 99.1% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2013-3307 brief as a PDF
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Description
Linksys E1000 devices through 2.1.02, E1200 devices before 2.0.05, and E3200 devices through 1.0.04 allow OS command injection via shell metacharacters in the apply.cgi ping_ip parameter on TCP port 52000.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Nov 11, 2021 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| E1000 | See advisory | n/a |
| E1200 | See advisory | 2.0.05 |
| E3200 | See advisory | n/a |
Patched Releases
E1200
2.0.05
Timeline
Added to Industry KEV feed
Nov 11, 2021
Publicly disclosed
Jul 11, 2025
Last updated
Apr 14, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Linksys E1000 devices through 2.1.02, E1200 devices before 2.0.05, and E3200 devices through 1.0.04 allow OS command injection via shell metacharacters in the apply.cgi ping_ip parameter on TCP port 52000.
Affected: E1000; E1200; E3200. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Nov 11, 2021.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including E1200 2.0.05.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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