PT-2023-5765 · D Link · D-Link Dir-823G

Published 2023-10-05 · Updated 2023-10-06 · CVE-2023-44838

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DIR-823G version A1V1.0.2B05

Description The issue is related to a buffer overflow in the SetWLanRadioSettings function via the TXPower parameter. This allows attackers to cause a Denial of Service (DoS) via a crafted input.

Recommendations For D-Link DIR-823G version A1V1.0.2B05, consider disabling the SetWLanRadioSettings function or restricting the use of the TXPower parameter until a patch is available. As a temporary workaround, avoid using the TXPower 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

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

BDU:2023-06447

CVE-2023-44838

Affected Products

D-Link Dir-823G

References · 8

• 🔥❌ https://github.com/bugfinder0/public_bug/tree/main/dlink/dir823g/SetWLanRadioSettings_TXPower · Exploit, Deleted
• https://bdu.fstec.ru/vul/2023-06447 · Security Note
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-44838 · Security Note
• https://osv.dev/vulnerability/CVE-2023-44838 · Vendor Advisory
• https://t.me/cvenotify/59067 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1710005134065823951 · Twitter Post
• https://twitter.com/CVEnew/status/1709966874648129932 · Twitter Post