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CVE-2013-10048: An OS command injection vulnerability exists in various legacy D-Link routers—including DIR-300 rev B and DIR-

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CRITICAL 9.8REMOTEUPGRADEUPGRADE

CVE-2013-10048 is a critical-severity flaw (CVSS 9.8) affecting dir-300 firmware, dir-600 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An OS command injection vulnerability exists in various legacy D-Link routers—including DIR-300 rev B and DIR-600 (firmware ≤ 2.13 and ≤ 2.14b01, respectively)—due to improper input handling in the unauthenticated command.php endpoint. By sending specially crafted POST requests, a remote attacker can execute arbitrary shell commands with root privileges, allowing full takeover of the device. This includes launching services such as Telnet, exfilt

Why this priority

  • Critical severity
  • EPSS top 3%: 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 score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance16.9% (top 3%)
CISA exploited listNo
WeaknessCWE-78
Published2025-08-01
Last modified2026-06-16
Publisher (CNA): VulnCheck · Vendor: dlink

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

Am I affected?

Timeline

dlink dir-300 firmware UPGRADE
Affected: <= 2.13
Fixed in: newer than 2.13
Safe to downgrade to: no unaffected older release
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.
dlink dir-600 firmware UPGRADE
Affected: <= 2.14b01
Fixed in: newer than 2.14b01
Safe to downgrade to: no unaffected older release
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

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.

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-2013-10048?

dir-300 firmware: upgrade to newer than 2.13; dir-600 firmware: upgrade to newer than 2.14b01. Exact commands for each OS are on this page.

Is CVE-2013-10048 being exploited?

CVE-2013-10048 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-2013-10048 affect?

CVE-2013-10048 affects dir-300 firmware, dir-600 firmware. Severity is critical (CVSS 9.8). An OS command injection vulnerability exists in various legacy D-Link routers—including DIR-300 rev B and DIR-600 (firmware ≤ 2.13 and ≤ 2.14b01, respectively)—due to improper input handling in the unauthenticated command.php endpoint. By s

How urgent is CVE-2013-10048?

Priority 72/100. Critical severity; EPSS top 3%: very likely to be exploited; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities · D-Link vulnerabilities

Related CVEs

References

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