PT-2023-5411 · D Link · D-Link Dir-823G

Published 2023-09-21 · Updated 2023-10-19 · CVE-2023-43235

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-823G version 1.0.2B05

Description The issue is related to a stack overflow in the SetWifiDownSettings function of the D-Link DIR-823G router's firmware, which can be exploited by a remote attacker to impact the confidentiality, integrity, and availability of protected information. The vulnerability is caused by the StartTime and EndTime parameters in the SetWifiDownSettings function.

Recommendations For D-Link DIR-823G version 1.0.2B05, as a temporary workaround, consider restricting access to the SetWifiDownSettings function until a patch is available. Avoid using the StartTime and EndTime parameters 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

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2023-06041

CVE-2023-43235

Affected Products

D-Link Dir-823G

References · 12

• 🔥 https://github.com/peris-navince/founded-0-days/blob/main/Dlink/823G/SetWifiDownSettings/1.md · Exploit
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-43235 · Security Note
• https://bdu.fstec.ru/vul/2023-06041 · Security Note
• https://osv.dev/vulnerability/CVE-2023-43235 · Vendor Advisory
• https://t.me/cvenotify/58375 · Telegram Post
• https://t.me/cvenotify/58293 · Telegram Post
• https://twitter.com/Cyberagent101/status/1715039384397914298 · Twitter Post
• https://twitter.com/CVEnew/status/1704835176587747669 · Twitter Post
• https://t.me/cibsecurity/70886 · Telegram Post
• https://twitter.com/cracbot/status/1705099653241565347 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1704865886727803266 · Twitter Post