Threat Intelligence / CVE / CVE-2013-3307

CVE-2013-3307 — Linksys E1000

CVSS v3.1 8.3 (HIGH) · EPSS 5.6% (higher than 91.9% of all scored CVEs) · Priority 7.8/10 · Published 2025-07-11

As of 2025-07-11, CVE-2013-3307 is a HIGH-severity vulnerability in Linksys E1000, CVSS v3.1 8.3, EPSS 5.6% (91.9th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2013-3307, most recently “AryStinger (Ary-Attack) Botnet Compromises 4,000+ Legacy D-Link/RTL819X Routers and NAS for Global Attack Proxy Infrastructure (CVE-2013-3307, CVE-2016-5681, CVE-2025-11837)”.

Last updated: 2025-07-11

What is CVE-2013-3307?

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.

The record classifies CVE-2013-3307 under weakness class CWE-78. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 429 days ago.

Severity and exploitation probability

CVSS v3.1 base score
8.3 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
EPSS (FIRST)
5.6% probability of exploitation in the next 30 days, higher than 91.9% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
7.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2025-07-11

Is CVE-2013-3307 being exploited?

No public exploitation evidence for CVE-2013-3307 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2025-07-11. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

Affected products and versions

How to fix CVE-2013-3307

No vendor patch reference has been recorded for CVE-2013-3307 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2013-3307

1 tracked threat in the Threadlinqs corpus references CVE-2013-3307, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Other references

Full detection coverage & IOCs for threats exploiting CVE-2013-3307 are available via the Threadlinqs MCP server (Purple tier). View plans →

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