CVE-2023-43240

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
9.8CRITICAL
EPSS
57.5%
top 1.84%
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 sip_address in ipportFilter.

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-2023-43240: D-Link DIR-816 A2 v1↗2023-09-21
▶
GHSA
GHSA-j6jx-4g47-jww6: D-Link DIR-816 A2 v1↗2023-09-21
▶

🔍Detection Rules

1
Suricata
ET WEB_SPECIFIC_APPS D-Link ipportFilter sip_address Parameter Buffer Overflow Attempt (CVE-2023-43240)↗2025-10-10
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CVE-2023-43240 (CRITICAL CVSS 9.8) | D-Link DIR-816 A2 v1.10CNB05 was di | cvebase.io