PT-2023-4469 · D Link · D-Link Dir-880L

Published 2023-08-17 · Updated 2023-08-25 · CVE-2023-39671

Positive Technologies (AI Summary)

CVSS v3.1

9.8

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-880 A1 FW107WWb08

Description The issue is related to a buffer overflow in the function FUN 0001be68 of the D-Link DIR-880 A1 router's firmware. This buffer overflow can be exploited by a remote attacker to execute arbitrary code.

Recommendations For D-Link DIR-880 A1 FW107WWb08, as a temporary workaround, consider disabling the FUN 0001be68 function until a patch is available. 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:2023-04864

CVE-2023-39671

Affected Products

D-Link Dir-880L

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2023-39671 · Security Note
• https://osv.dev/vulnerability/CVE-2023-39671 · Vendor Advisory
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-04864 · Security Note
• https://twitter.com/CVEnew/status/1692369010145313136 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1692409677730976177 · Twitter Post
• https://support.dlink.com · Note
• ❌ https://github.com/Davidteeri/Bug-Report/blob/main/D-Link/DIR880%20buffer%20overflow.md · Note, Deleted