CVE-2023-45579
Published: 16 October 2023
Summary
CVE-2023-45579 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 up to 23.08.25D1, DI-7100G+V2.D1 and DI-7100GV2.D1 up to 23.08.23D1, DI-7200G+V2.D1 and DI-7200GV2.E1 up to 23.08.23E1 or 23.08.23D1, and DI-7300G+V2.D1 plus DI-7400G+V2.D1 up to 23.08.23D1. The flaw, tracked as CWE-787, resides in the jingx.asp function and is triggered by the ip/type parameter, enabling out-of-bounds writes.
An unauthenticated remote attacker can send a crafted HTTP request over the network to exploit the issue, achieving arbitrary code execution with no user interaction required. The vulnerability carries a CVSS 3.1 score of 9.8, reflecting full impact on confidentiality, integrity, and availability.
Public references consist of GitHub reports detailing the buffer overflow but provide no official vendor advisories or patch information. The associated EPSS score has remained in the 0.08–0.09 range with only minor fluctuation since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-49871
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…
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the ip/type parameter of the jingx.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.