CVE-2013-6027: Stack-based buffer overflow in the RuntimeDiagnosticPing function in /bin/webs on D-Link DIR-100 routers might

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HIGH 8.5MITIGATE

CVE-2013-6027 is a high-severity flaw (CVSS 8.5) affecting dir-100. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the RuntimeDiagnosticPing function in /bin/webs on D-Link DIR-100 routers might allow remote authenticated administrators to execute arbitrary commands via a long set/runtime/diagnostic/pingIp parameter to Tools/tools_misc.xgi.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.5 (High)
EPSS exploit chance	4.5% (top 8%)
CISA exploited list	No
Weakness	CWE-119
Published	2013-10-19
Last modified	2026-06-16

Publisher (CNA): CERT/CC · Vendor: dlink

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-10-19 10:36 UTCPublished CVE record published
2026-06-16 23:59 UTCUpdated Record last modified

dlink dir-100 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: D-Link / PLANEX COMMUNICATIONS - 'RuntimeDiagnosticPing()' Remote Stack Buffer Overflow

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-6027?

dir-100: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-6027 being exploited?

CVE-2013-6027 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-6027 affect?

CVE-2013-6027 affects dir-100. Severity is high (CVSS 8.5). Stack-based buffer overflow in the RuntimeDiagnosticPing function in /bin/webs on D-Link DIR-100 routers might allow remote authenticated administrators to execute arbitrary commands via a long set/runtime/diagnostic/pingIp parameter to Too

How urgent is CVE-2013-6027?

Priority 58/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

D-Link vulnerabilities

Related CVEs

CVE-2013-6026 HIGH 10.0 MITIGATE MITIGATE The web interface on D-Link DIR-100, DIR-120, DI-624S, DI-524UP, DI-604S, DI-604UP, DI-604+, and TM-G5240 rout
CVE-2008-4133 MEDIUM 4.3 MITIGATE The web proxy service on the D-Link DIR-100 with firmware 1.12 and earlier does not properly filter web reques

References

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