CVE-2023-24798
CWE-787Published: April 7, 2023· Updated: Jun 17, 2026
Official Description
D-Link DIR878 DIR_878_FW120B05 was discovered to contain a stack overflow in the sub_475FB0 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.
Risk Analysis
The D-Link DIR878 contains a stack overflow vulnerability that could allow an attacker to execute arbitrary code or crash the device. Given the 9.8 CVSS score, this is a critical remote vulnerability.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.
Ensure the D-Link DIR878 firmware is updated to the latest version.
Technical Analysis
CVE-2023-24798 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-24798 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts