CVE-2023-43238

CWE-787 — Out-of-bounds WriteCWE-121 — Stack-based Buffer Overflow4 documents4 sources
Severity
9.8CRITICAL
EPSS
2.5%
top 14.69%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Dlink Dir-816 A2 Firmware
Timeline
PublishedSep 21
Latest updateOct 10

Description

D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter nvmacaddr in form2Dhcpip.cgi.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

🔴Vulnerability Details

2
CVEList
CVE-2023-43238: D-Link DIR-816 A2 v1↗2023-09-21
▶
GHSA
GHSA-4xvr-ch6x-96mj: D-Link DIR-816 A2 v1↗2023-09-21
▶

🔍Detection Rules

1
Suricata
ET WEB_SPECIFIC_APPS D-Link form2Dhcpip.cgi nvmacaddr Parameter Buffer Overflow Attempt (CVE-2023-43238)↗2025-10-10
▶
CVE-2023-43238 (CRITICAL CVSS 9.8) | D-Link DIR-816 A2 v1.10CNB05 was di | cvebase.io