CVE-2020-29557

CRITICALCVSS 9.8/10Actively ExploitedEPSS 54.32%

Last modified

CVE-2020-29557 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.. CISA has confirmed active exploitation in the wild. EPSS estimates a 54.32% chance of exploitation in the next 30 days.

Description

An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.

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
54.32%

98.9th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

VendorProductVersions
DlinkDir-825 R1 Firmware<= 3.0.1

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2020-29557?
An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.
How severe is CVE-2020-29557?
CVE-2020-29557 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 54.32% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2020-29557?
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-2020-29557?

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

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Source: NVD / NIST