CVE-2023-51123
Published: 10 January 2024
Summary
CVE-2023-51123 is a critical-severity OS Command Injection (CWE-78) vulnerability in Dlink Dir-815 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 2.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2023-51123 is a remote code execution vulnerability in the D-Link DIR-815 router firmware version 1.01SSb08.bin. The flaw resides in the soapcgi_main function of the cgibin binary component and stems from improper handling of the service parameter in incoming POST requests, enabling OS command injection as indicated by the associated CWE-78 classification.
Unauthenticated attackers with network access can exploit the issue by sending a crafted POST request, achieving arbitrary code execution with full impact on confidentiality, integrity, and availability. The vulnerability carries a CVSS 3.1 score of 9.8 reflecting its critical severity and lack of required privileges or user interaction.
Public references consist of a GitHub repository containing proof-of-concept material and a README describing the service-parameter injection vector. The EPSS score rose from lower values to a peak of 0.5358 before receding to the current 0.3533, indicating a period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-55845
Vulnerability details
An issue discovered in D-Link dir815 v.1.01SSb08.bin allows a remote attacker to execute arbitrary code via a crafted POST request to the service parameter in the soapcgi_main function of the cgibin binary component.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.