CVE-2023-27720

Name: CVE-2023-27720
Creator: NVD / NIST
Published: 2023-04-09T21:15:07.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.35%

Last modified Jun 17, 2026

CVE-2023-27720 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. D-Link DIR878 1.30B08 was discovered to contain a stack overflow in the sub_48d630 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

Description

D-Link DIR878 1.30B08 was discovered to contain a stack overflow in the sub_48d630 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

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

1.35%

68.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-878 Firmware	1.30b08

References

https://github.com/HolyTruth/DIR_878-1.30B08/blob/main/4.mdExploit, Third Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory
https://github.com/HolyTruth/DIR_878-1.30B08/blob/main/4.mdExploit, Third Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

Timeline

Published: Apr 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-27720?

How severe is CVE-2023-27720?

CVE-2023-27720 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.

How do I fix CVE-2023-27720?

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-2023-27720?

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

Scan your code now

Source: NVD / NIST