Cyber Resilience

CVE-2023-25283

HighPublic PoC

Published: 13 March 2023

Published
13 March 2023
Modified
27 February 2025
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0078 74.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-25283 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Dlink Dir-820L Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 25.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A stack overflow vulnerability in D-Link DIR820LA1_FW106B02 allows attackers to cause a denial of service via the reserveDHCP_HostName_1.1.1.0 parameter to lan.asp.

CWE(s)
CWE-787

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

dlink
dir-820l firmware
1.06b02

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.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References