PT-2019-6347 · D Link · D-Link Dir-878

Published 2019-02-25 · Updated 2023-04-26 · CVE-2019-9125

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-878 version 1.12B01

Description The issue is related to the misuse of the strncpy function, leading to a stack-based buffer overflow. This can be exploited remotely without authentication via the HNAP AUTH HTTP header, potentially affecting the confidentiality, integrity, and availability of protected information.

Recommendations For D-Link DIR-878 version 1.12B01, consider restricting access to the HNAP AUTH HTTP header until a patch is available. As a temporary workaround, avoid using the strncpy function in sensitive areas of the code until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Missing Authentication

Memory Corruption

Weakness Enumeration

CWE-306

CWE-787

Related Identifiers

BDU:2023-02833

CVE-2019-9125

Affected Products

D-Link Dir-878

References · 5

• 🔥 https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-878/overflow2.md · Exploit
• 🔥 https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-878/overflow1.md · Exploit
• https://osv.dev/vulnerability/CVE-2019-9125 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-9125 · Security Note
• https://bdu.fstec.ru/vul/2023-02833 · Security Note