CVE-2014-125117: A stack-based buffer overflow vulnerability in the my_cgi.cgi component of certain D-Link devices, including t

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CRITICAL 9.8REMOTEMITIGATE

CVE-2014-125117 is a critical-severity flaw (CVSS 9.8) affecting dsp-w215 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stack-based buffer overflow vulnerability in the my_cgi.cgi component of certain D-Link devices, including the DSP-W215 version 1.02, can be exploited via a specially crafted HTTP POST request to the /common/info.cgi endpoint. This flaw enables an unauthenticated attacker to achieve remote code execution with system-level privileges.

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	9.3% (top 5%)
CISA exploited list	No
Weakness	CWE-20, CWE-121
Published	2025-07-25
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: dlink

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-25 16:15 UTCPublished CVE record published
2026-06-17 00:04 UTCUpdated Record last modified

dlink dsp-w215 firmware MITIGATE

Affected: 1.02

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.02

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · R · FIXED · 4.6.2-1.fc46 · FEDORA-2026-1dd919a262 · source

sudo dnf upgrade --advisory=FEDORA-2026-1dd919a262

Fedora ELN · perl-Mail-AuthenticationResults · FIXED · 2.20261029-1.eln159 · FEDORA-2026-a2c11d7da6 · source

sudo dnf upgrade --advisory=FEDORA-2026-a2c11d7da6

Public exploits and detection

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

Write-up: raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/d
Write-up: web.archive.org/web/20140525215526/http://www.devttys0.com/2014/05/hacking-the-dspw215-aga
Write-up: www.exploit-db.com/exploits/34063
Metasploit: D-Link info.cgi POST Request 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-2014-125117?

dsp-w215 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-125117 being exploited?

CVE-2014-125117 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-2014-125117 affect?

CVE-2014-125117 affects dsp-w215 firmware. Severity is critical (CVSS 9.8). A stack-based buffer overflow vulnerability in the my_cgi.cgi component of certain D-Link devices, including the DSP-W215 version 1.02, can be exploited via a specially crafted HTTP POST request to the /common/info.cgi endpoint. This flaw e

How urgent is CVE-2014-125117?

Priority 71/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

D-Link vulnerabilities

References

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