PT-2022-7102 · D Link · D-Link Dir-878+1

Wolin Zhuang + 1 · Published 2022-12-23 · Updated 2023-03-03 · CVE-2022-46563

Positive Technologies (AI Summary)

CVSS v2.0

8.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DIR-882 versions DIR882A1 FW130B06 D-Link DIR-878 versions DIR 878 FW1.30B08

Description The issue is related to a buffer overflow in the SetDynamicDNSSettings module of the D-Link DIR-882 and DIR-878 wireless router firmware. This can be exploited by a remote attacker to execute arbitrary code. The vulnerability is specifically tied to a stack overflow via the Password parameter in the SetDynamicDNSSettings module.

Recommendations For D-Link DIR-882 version DIR882A1 FW130B06, update the firmware to a version that fixes the buffer overflow issue in the SetDynamicDNSSettings module. For D-Link DIR-878 version DIR 878 FW1.30B08, update the firmware to a version that fixes the buffer overflow issue in the SetDynamicDNSSettings module. As a temporary workaround, consider restricting access to the SetDynamicDNSSettings module until a patch is available. Avoid using the Password parameter in the SetDynamicDNSSettings module until the issue is resolved.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2023-07585

CVE-2022-46563

Affected Products

D-Link Dir-878

D-Link Dir-882

References · 8

• 🔥 https://hackmd.io/@0dayResearch/HkDzZLCUo · Exploit
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07585 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-46563 · Security Note
• https://osv.dev/vulnerability/CVE-2022-46563 · Vendor Advisory
• https://hackmd.io/%400dayResearch/HkDzZLCUo · Note
• https://hackmd.io/%400dayResearch/SetDynamicDNSSettings · Note
• https://t.me/cvenotify/45486 · Telegram Post