PT-2023-5376 · D Link · D-Link Dir-816 A2

Published 2023-09-21 · Updated 2025-04-09 · CVE-2023-43242

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions D-Link DIR-816 A2 version 1.10CNB05

Description The issue is related to a stack overflow in the form2IPQoSTcDel function via the removeRuleList parameter. This can allow a remote attacker to impact the confidentiality, integrity, and availability of protected information.

Recommendations For D-Link DIR-816 A2 version 1.10CNB05, as a temporary workaround, consider disabling the form2IPQoSTcDel function until a patch is available. Restrict access to the removeRuleList parameter in the affected function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

BDU:2023-06004

CVE-2023-43242

Affected Products

D-Link Dir-816 A2

References · 11

• 🔥 https://github.com/peris-navince/founded-0-days/blob/main/Dlink/816/form2IPQoSTcDel/1.md · Exploit
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-06004 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-43242 · Security Note
• https://osv.dev/vulnerability/CVE-2023-43242 · Vendor Advisory
• https://twitter.com/CVEnew/status/1704835181176316176 · Twitter Post
• https://t.me/cibsecurity/70887 · Telegram Post
• https://twitter.com/ET_Labs/status/1910071671236731270 · Twitter Post
• https://twitter.com/cracbot/status/1705099664662704220 · Twitter Post
• https://t.me/cvenotify/58286 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1704866393047408650 · Twitter Post