PT-2023-5412 · D Link · D-Link Dir-823G

Published 2023-09-21 · Updated 2023-10-19 · CVE-2023-43241

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 SetWLanRadioSecurity function, specifically via the TXPower and GuardInt parameters. This can potentially allow a remote attacker to impact the confidentiality, integrity, and availability of protected information.

Recommendations For D-Link DIR-823G version 1.0.2B05, as a temporary workaround, consider disabling the SetWLanRadioSecurity function until a patch is available. Restrict access to the vulnerable parameters TXPower and GuardInt 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:2023-06042

CVE-2023-43241

Affected Products

D-Link Dir-823G

References · 12

• 🔥 https://github.com/peris-navince/founded-0-days/blob/main/Dlink/823G/SetWLanRadioSecurity/1.md · Exploit
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-43241 · Security Note
• https://bdu.fstec.ru/vul/2023-06042 · Security Note
• https://osv.dev/vulnerability/CVE-2023-43241 · Vendor Advisory
• https://t.me/cibsecurity/70883 · Telegram Post
• https://twitter.com/cracbot/status/1705099663047848363 · Twitter Post
• https://t.me/cvenotify/58376 · Telegram Post
• https://t.me/cvenotify/58287 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1704866139803627921 · Twitter Post
• https://twitter.com/CVEnew/status/1704835179574137025 · Twitter Post
• https://twitter.com/Cyberagent101/status/1715039384397914298 · Twitter Post