CVE-2023-45573
Published: 16 October 2023
Summary
CVE-2023-45573 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Dlink Di-7003G Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 7.7% 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 buffer overflow vulnerability affects multiple D-Link router models, specifically DI-7003GV2.D1 versions 23.08.25D1 and earlier, DI-7100G+V2.D1 versions 23.08.23D1 and earlier, DI-7100GV2.D1 23.08.23D1, DI-7200G+V2.D1 versions 23.08.23D1 and earlier, DI-7200GV2.E1 versions 23.08.23E1 and earlier, DI-7300G+V2.D1 23.08.23D1, and DI-7400G+V2.D1 versions 23.08.23D1 and earlier. The flaw, tracked as CVE-2023-45573 with CWE-787, occurs in the mrclfile_del.asp function and is triggered by the n parameter, enabling an out-of-bounds write condition.
Remote attackers without authentication can exploit the vulnerability over the network to execute arbitrary code on the device, consistent with its CVSS 3.1 score of 9.8 reflecting full impact on confidentiality, integrity, and availability.
The EPSS score remains at 0.0810 with no material change from its recorded peak, and public references consist of GitHub technical submissions that reproduce the issue but contain no vendor advisories or patch details.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-49865
Vulnerability details
Buffer Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via…
more
the n parameter of the mrclfile_del.asp function.
- 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.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.