PT-2023-4959 · D Link · D-Link Dir-868L

Published 2023-08-17 · Updated 2024-08-02 · CVE-2023-39667

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-868L version fw revA 1-12 eu multi 20170316

Description The issue is caused by a buffer overflow on the stack in the FUN 0000acb4 function of the D-Link DIR-868L router's firmware. This can be exploited by a remote attacker to cause a buffer overflow. The buffer overflow occurs via the param 2 parameter in the FUN 0000acb4 function.

Recommendations For D-Link DIR-868L version fw revA 1-12 eu multi 20170316, as a temporary workaround, consider disabling the FUN 0000acb4 function until a patch is available. Avoid using the param 2 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.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2023-05494

CVE-2023-39667

Affected Products

D-Link Dir-868L

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2023-39667 · Security Note
• https://bdu.fstec.ru/vul/2023-05494 · Security Note
• https://osv.dev/vulnerability/CVE-2023-39667 · Vendor Advisory
• https://dlink.com/en/security-bulletin · Note
• https://support.dlink.com · Note
• https://t.me/cvenotify/87622 · Telegram Post
• https://twitter.com/CVEnew/status/1692369006311727508 · Twitter Post
• https://t.me/cvenotify/88620 · Telegram Post
• ❌ https://github.com/Davidteeri/Bug-Report/blob/main/D-Link/DIR-868L%20httpd-Improper%20Input%20Validation.md · Note, Deleted
• https://twitter.com/VulmonFeeds/status/1692410942636650552 · Twitter Post