High 7.5Published Oct 22, 2025

CVE-2025-60331D-Link DIR-823G A1 v1.0.2B05 was discovered to contain a buffer overflow in the FillMacCloneMac parameter in the /EXCU_SHELL endpoint.

Updated under an hour ago (2026-10-19 09:30 UTC)

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Exploited in the last 30 days

D-Link DIR-823G A1 v1.0.2B05 was discovered to contain a buffer overflow in the FillMacCloneMac parameter in the /EXCU_SHELL endpoint. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-121
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

dlink dir-823g_firmware dlink:dir-823g_firmware	1.0.2b05	NVD

References

https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/DIR823G/FillMacCloneMac/FillMacCloneMac.mdexploit, third-party-advisory
https://www.dlink.com/en/security-bulletin/vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.