PT-2022-5273 · D Link · D-Link Dir-816 A2

Hunzi0 · Published 2022-10-26 · Updated 2022-10-28 · CVE-2022-43003

Positive Technologies (AI Summary)

CVSS v3.1

10

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-816 A2 version 1.10 B05

Description The issue is related to a buffer overflow in the setRepeaterSecurity function of the D-Link DIR-816 A2 router's firmware. This can be exploited by a remote attacker using the pskValue parameter to execute arbitrary code.

Recommendations For version 1.10 B05, consider restricting access to the setRepeaterSecurity function until a patch is available. As a temporary workaround, avoid using the pskValue parameter in the affected function to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2022-06557

CVE-2022-43003

Affected Products

D-Link Dir-816 A2

References · 5

• 🔥 https://github.com/hunzi0/VulInfo/tree/main/D-Link/DIR-816/setRepeaterSecurity · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-43003 · Security Note
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-06557 · Security Note
• https://osv.dev/vulnerability/CVE-2022-43003 · Vendor Advisory