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CVE-2017-14429

CRITICALCVSS 9.8/10EPSS 4.92%

Last modified

CVE-2017-14429 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. EPSS estimates a 4.92% chance of exploitation in the next 30 days.

Description

The DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices allows unauthenticated remote code execution as root because /etc/services/INET/inet_ipv4.php mishandles shell metacharacters, affecting generated files such as WAN-1-udhcpc.sh.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
4.92%

91.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
DlinkDir-850l Firmware< fw114wwb07_h2ab—
DlinkDir-850l Firmwarefw114wwb07_h2abBeta1
DlinkDir-850l Firmware<= fw208wwb02—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-14429?
The DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices allows unauthenticated remote code execution as root because /etc/services/INET/inet_ipv4.php mishandles shell metacharacters, affecting generated files such as WAN-1-udhcpc.sh.
How severe is CVE-2017-14429?
CVE-2017-14429 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.92% probability of exploitation in the next 30 days.
How do I fix CVE-2017-14429?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14429?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST