CVE-2023-4542
Published: 25 August 2023
Summary
CVE-2023-4542 is a medium-severity OS Command Injection (CWE-78) vulnerability in Dlink Dar-8000-10 Firmware. Its CVSS base score is 6.3 (Medium).
Operationally, ranked in the top 0.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
A vulnerability classified as critical was discovered in D-Link DAR-8000-10 firmware up to 20230809. It resides in an unknown function of the file /app/sys1.php and stems from improper handling of the cmd parameter, enabling OS command injection (CWE-78). The issue carries a CVSS 3.1 score of 6.3 and can be triggered remotely without user interaction.
An authenticated attacker with low privileges can supply crafted input such as the string "id" to the affected parameter, causing the device to execute arbitrary operating-system commands. Successful exploitation yields limited read, write, and availability impacts on the target appliance.
Public exploit code has been released, and the vendor was notified prior to disclosure but provided no response or patch. The associated EPSS score has remained elevated, reaching a peak of 0.9525.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-54397
Vulnerability details
A vulnerability was found in D-Link DAR-8000-10 up to 20230809. It has been classified as critical. This affects an unknown part of the file /app/sys1.php. The manipulation of the argument cmd with the input id leads to os command injection.…
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It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-238047. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- 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.