CVE-2023-45580
Published: 16 October 2023
Summary
CVE-2023-45580 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 exists in multiple D-Link router models including DI-7003GV2.D1 versions 23.08.25D1 and earlier, DI-7100G+V2.D1 and DI-7100GV2.D1 versions 23.08.23D1 and earlier, DI-7200G+V2.D1 and DI-7200GV2.E1 versions 23.08.23D1/E1 and earlier, and DI-7300G+V2.D1 and DI-7400G+V2.D1 versions 23.08.23D1 and earlier. The flaw, tracked as CWE-787, resides in the ddns.asp function and can be triggered through the wild, mx, and related parameters.
Unauthenticated remote attackers can send specially crafted requests over the network to trigger the overflow and achieve arbitrary code execution on the affected devices, which carry a CVSS 3.1 score of 9.8. The provided references consist of GitHub submissions detailing the issue but contain no vendor advisory, firmware update, or mitigation guidance.
EPSS scores for the CVE have remained in a narrow band between a peak of 0.0912 and a current value of 0.0810 with no material upward trajectory from a low baseline.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-49872
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 wild/mx and other parameters of the ddns.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.